First Ride: 2024 YT Jeffsy - Now With Updated Geo & In-Frame Storage

Oct 23, 2023 at 19:25
by Dario DiGiulio  
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It's been almost 5 years since Christopher Walken graced the mountain bike world with his presence, meaning it's been almost 5 years since the YT Jeffsy saw an update. This was arguably one of the more outstanding bike release videos we've seen, but at a certain point the bike has to live up to the hype. With a whole-cloth revamp the Jeffsy platform, YT aims to keep the train rolling and deliver a bike that will stay relevant and memorable for as long as that Walken edit.

The main theme of the Jeffsy is alive and well: a 29er trail bike that's meant to get along with just about anything you might encounter out there in the woods.
Jeffsy Details

• Carbon or aluminum frame
• 29" wheels
• 145mm travel, 150mm fork
• 65° head angle
• 77.9° seat angle (size specific)
• 435-515mm reach, 475mm size L
• Size-specific chainstay length
• High-low flip chip
• Measured weight: 34.4lbs
• $2,799-$6,499 USD
yt-industries.com

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Everybody say Hi Jeffsy.

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Bottle, shock, tools, everything fits.
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Inside and outside the frame.

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I'll be talking about the Large frame in Low mode, for now.

Geometry

Given the all-mountain/trail purview of Jeffsy, the geometry of the Low mode seemed a better fit for my terrain and preference. In time I'll try the High settings out, but for now the bike feels too good to change things up quite yet. The numbers for this new YT feel quite correct for the up and down nature of the bike, with a good mix of length and sharpness to keep stability and excitement in balance.

The 65° head angle is becoming pretty typical of bikes in this range of travel, and makes for something that is stable enough in steep terrain while still feeling lively on flatter sections. The actual seat angles vary depending on size in order to hit the 77.2° mark at the average saddle height for a given frame. This is a smart approach, taking actual rider dimensions into consideration, as opposed to simply achieving a given number on paper without factoring setup changes.

In the 5-size range, the smallest 3 get 437mm chainstays, with the larger 2 jumping up to 442mm. While not exactly a perfectly size-specific approach, it at least addresses the shift in balance from the smallest to the largest reaches in the range.

A note on sizing: based on the geo chart, I probably would have leaned towards the XL, but I find the Large fits me really well. Either size would work nicely, but for the terrain in Bellingham, I think the smaller wheelbase is more fun. If I were looking for all-out stability and a safer feel at speed, then I'd probably go with the XL.

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Nice riser bars come stock.
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Fitting the aggressive build kit.

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Well sorted frame arrangement.
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Don't fence me in.

Frame Features

In keeping with the times, Jeffsy's third coming features a host of updates we're seeing on many recently released models, with some clever and clean integration by the YT engineers. The most noticeable is probably the in-frame storage, which has been implemented in a slightly different way to other designs on the market. Instead of being the plate that also carries the water bottle, the storage hatch on the Jeffsy stands alone above the bottle, eliminating the eventual loosening or rattling that might accompany the dual-duty designs. The hole is fairly small, but it's enough to get the two included ditty bags in and out, and can fit plenty of tools, snacks, and shiny pebbles.

Old Jeff now features a UDH dropout, which is convenient for both the Transmission compatibility and the increasing ubiquity of those aftermarket hangers. For those running cables, the frame features full tube-in-tube routing to make the job a whole lot easier.

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The in-frame storage is well sealed.
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And uses a simple 90° latch.

Jeffsy Core 1 and 2 are the aluminum-framed options, and sadly those don't include in-frame storage of any sort, though they do feature all the same geometry and kinematics of the higher-priced tiers. Core 4 and 5 come with a Crankbrothers SOS plug tool and stash strap attached to the upper frame mounts, as you can see on my test bike.

There are nice finishing touches on the frames, like the rubber bumpers to silence any cable rattle that might occur from undersized cables for the through-frame routing. This is a frustration I have with other implementations of that design, as it can be quite noisy despite looking clean.

Though it looks a bit tight, there's plenty of room for a full-size water bottle in the frame, with potential to eek out a bit more room with a different bottle cage. As noted in the geometry chart, a quick trailside operation can take you from the Low to the High mode, serving as the only adjustment available on the frame.

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High/low flip chip at the lower shock mount.
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These little rubber plugs help eliminate any last bits of cable rattle.

Suspension Design

YT is sticking with their typical suspension layout for the Jeffsy, opting instead to tweak the points slightly to make the bike as well-rounded as they could. Sag is optimized around 30%, with anti-squat falling around 105% at that point. The bike is more progressive than its predecessor, without jumping the shark and going for a rate that loses predictability and support.

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Behold, chart.

Build Kits

We talk a lot about the comparative value of brick and mortar bike shop brands versus the no-longer-new direct to consumer model, but with some of the most traditional brands out there opening direct sales channels, that comparison has gotten a bit murky. Suffice to say that a DTC brand like YT can still offer value that most shop model brands can't compete with, as is the case with the new Jeffsy. Topping out at $6,499 USD, Jeffsy lineup has 5 well-specced tiers that cater to a wide array of budgets, depending on price, experience level, and component preference.

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Jeffsy Core 1 // $2,799 USD, €2,499. Aluminum frame.

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Jeffsy Core 2 // $3,299 USD, £2,999, €2,999. Aluminum frame.

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Jeffsy Core 3 // $4,299 USD, £3,999, €3,999. Carbon frame.

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Jeffsy Core 4 // $5,499 USD, £4,999, €4,999. Carbon frame.

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Jeffsy Core 5 // $6,499 USD, £5,999, €5,999. Carbon frame.

Ride Impressions

I had an excellent first ride on the Jeffsy, and the positive feeling hasn't waned much since that day. From quick laps on my local favorites to longer, very technical rides, the bike has felt predictable, fun, and simply easy to ride. YT seems to have nailed the tricky balance of a bike that is easy to cruise on while still holding its own when pushed hard or thrown into more serious terrain.

Climbing feels supportive and efficient, without giving up too much grip, and remains active over technical terrain in and out of the saddle. Descending is intuitive and well balanced, with excellent cornering performance and great pop on jumps and jibs. The 145mm of rear travel is well managed, with only a few bottom-outs on some very serious hits. The bike has an active feel through chattery terrain, especially when you let off the brakes and push through the bike.

An immediate takeaway was just how quiet the Jeffsy is, with no rattles, creaks, or other annoyances developing over the past couple weeks of riding. Another rosy first impression is the dialed build kit - there's nothing I'd change out of the gate on my Core 4 test bike. The brakes, drivetrain, suspension, wheelset, and cockpit are all pretty close to what I'd choose for a bike of this ilk, so I'm more than happy to stick with the stock options.

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Stay tuned for the long term review on the YT Jeffsy and a few other recently released trail bikes in the near future.

For more pictures of Jeffsy, head on over to the album here.




Author Info:
dariodigiulio avatar

Member since Dec 25, 2016
147 articles

273 Comments
  • 266 5
 Can we have a round of applause for one of the few companies that STILL offers great specced bikes without trying to rip people off?
  • 405 3
 *Runs around office patting everyone on the back*
  • 128 1
 @YTIndustries: Beers all around the office for not engaging in cable tourism!
  • 13 49
flag shredddr (Oct 25, 2023 at 9:17) (Below Threshold)
 suPpoRt yoUr lOcaL BiKe sHOp!
Hard to do both…
  • 16 1
 @YTIndustries: and not to forget THE best specced/priced junior trailbike on the market
  • 13 5
 I’ve had my YT decoy since 2019 and that thing still rips. I love YT!
  • 6 11
flag tacklingdummy (Oct 25, 2023 at 14:39) (Below Threshold)
 Great spec'd bike that you can't get for several months or can't get at all. Funny how most sizes and configurations are not in stock. Wouldn't it be good to have inventories for the bike when it is released? Just a thought. Lol.
  • 4 2
 @shredddr: Funnily enough YT went bricks & mortar in Australia a while ago and the prices jumped a fair bit in the process but post-sale support doesn't appear to have improved.

The previous Jeffsy Core 2 alloy cost more than a Norco Fluid FS A1...
  • 2 0
 @PHX77: same here. Such a fun bike and super ez to maintain. Over 1.5 million vert fèet now and it still gets compliments
  • 4 0
 @boozed: FWIW I’ve done pivot services on two recent Al Fluids. Both had alignment issues…one was significant requiring a non-standard bearing spacer configuration to avoid sideloading (about 2mm off centered), the other was so severe the seatstay threads were no longer present on hardware removal (6mm+ off centered). The purchase price is compelling, but I’m not sure on the value. Obviously my experience is somewhat anecdotal and I’d need a much larger sample size to make any definitive claims but 2/2 isn’t very reassuring. Also, not a dealer but Norco wasn’t even willing to cover alternate spacers for their messed up frame. I have no experience with YT to offer a comparison.
  • 2 1
 @YTIndustries: THANK YOU!!! thinking about you for my next bike 3
  • 1 1
 @kevinjordans: hah, I wish I'd read this before recommending one to a mate recently
  • 2 0
 @boozed: Here in Canada, at the current sale prices, the old Jeffsey Core 4 (carbon, X01, XM1700 wheels) is the same price as the FS A1....

The all new Jeffsey Core 2 at MSRP is $400 less than the FSA1. Suspension is Performance vs. Factory/Perf. Elite on the FSA1, but all other components on the Core2 are higher value than what Norco put on the FSA1. Norco certainly cut a lot of corners on the FSA1 with no-name cockpit/wheels to get to the price point.
  • 181 3
 how would you compare this bike to a 2003 ford taurus
  • 97 2
 Thankfully, development has come a long way in 20 years
  • 14 72
flag jokermtb (Oct 25, 2023 at 7:21) (Below Threshold)
 I'll ask your mom
  • 14 76
flag trollhunter (Oct 25, 2023 at 7:24) (Below Threshold)
 @jokermtb: your mom invited me over tea and her pink donut.
  • 32 12
 @jokermtb @trollhunter Back to school, hep hep. This is a thread for the big boys
  • 13 44
flag cowboyray (Oct 25, 2023 at 8:26) (Below Threshold)
 @mcharza: this thread is for your mom
  • 35 0
 Nothing matches the raw sexual appeal of the Taurus. Nothing.
  • 10 0
 @jeremy3220: It's about the girth. And the SHO version.
  • 2 0
 @jeremy3220: there’s a good reason they called it the Boner Donor
  • 7 0
 Are we talking about the sedan or wagon?
  • 6 0
 @mcharza: Their usernames excuse the comments, not everyone is a tightly wound offence hunter.
  • 3 0
 The torque converter clutch solenoid won’t fail.
  • 6 0
 hard to say, without an huck to flat of the taurus...
  • 82 3
 Honestly, the value on the core 2 is unmatched
  • 46 1
 Back to the roots!
  • 6 50
flag rickybobby19 (Oct 25, 2023 at 7:37) (Below Threshold)
 Except you can get a carbon Spectral 8 with XT for $3300 rn
  • 89 0
 @rickybobby19: comparing a sale on an outgoing model vs a brand new MSRP. Very good observation.
  • 4 9
flag Mtmw (Oct 25, 2023 at 10:19) (Below Threshold)
 I'd argue it's competing with the RipMo AF on Jenson at 3k with Marzocchi, SLX and twin link suspension, but it's a different travel category so won't argue.
  • 8 2
 @Mtmw: Sorry to be boorish, but looks matter.
  • 1 0
 @Mtmw: add 10mm to the Jeffsy fork and it’s pretty much the same.
  • 2 0
 Not so sure. Have you seen the deals available elsewhere. I saw a brand spanking new Firebird 29 go for £2300.
  • 2 0
 @rojo-1: that's a crazy deal for a pivot, damn. I was just talking about new MSRP bikes, and overall spec wise, they did a really good job making everything worth while at an affordable price point
  • 2 3
 @suspended-flesh: When you say looks, I'm assuming you mean the look on your face when you're riding a Horst link and you're chasing a DW link bike
  • 1 0
 If only the yellow was offered with a better build as well ;(
  • 2 0
 @rickybobby19: this may come as a surprise to you but not everyone wants a carbon bike...
  • 74 9
 Looks great, unfortunate that there seems to be no frame only option. I have no interest in complete bikes.
  • 128 1
 Noted Frank, we're a firm believer in feedback Smile
  • 40 0
 @YTIndustries: You offered it once, then never again. So +1 for frame only.
  • 22 2
 @YTIndustries: Yes please! I’d ride a Capra by now if you would just offer it as a frame set. Not interested in full builds as I already have all the parts.
  • 5 7
 Well they earn more without offering it. You just make sure that each sensibly priced model has something not optimal like shitty brakes or basic suspension and untill you get to 5k or above you are constantly seeing something you would replace, then you buy this 5k stuff. So you earn more cause you have margin on all those parts, better parts, bigger margin.
  • 31 4
 @YTIndustries: Yup +1 for frame only so it can be built with Shimano Big Grin
  • 20 4
 You could probably make money by the time you sold the components off some of these bikes vs. the hypothetical frame only cost. There are a million frame only options, if YT is giving more value to the consumer by not selling just frames and instead only offering complete bikes with great value, I would take that every time. I’d much rather have a market player driving prices down than up if that’s the trade off for no frames only. I get that it’s not that simple and they could price the frames accordingly but every added sku in a brands inventory is added cost that the consumer must bear in some way.
  • 25 0
 @YTIndustries: yes please, give me a Capra frameset I can put my old parts from a broken Capra on that you don't let me buy new chainstays for
  • 14 0
 @car-ramrod: You could, but i'm too lazy to actually list it and deal with meeting people/shipping stuff, especially with what a PIA it is to sell used/take off stuff right now. I would end up keeping most of it sitting around the garage, or giving it to friends.

Plus, my wife would be far more agreeable to a $2,700ish purchase rather than a $4,600 purchase and i'll try to sell stuff to make money back.
  • 2 0
 @YTIndustries: I second this. Would love to build one up with the parts I have.
  • 1 0
 @YTIndustries: I would also love a frame only option. I am getting ready to sell my 2018 AL Capra and have been deciding on which frame to go with next.
  • 31 6
 I guess "trail" means 36/Lyric now?
Still, nice bike with good looking spec sheets for the price.
Plus frame storage and an actual proper sized water bottle (not that idiotic little thing on the previous Capra) means a nice looking all rounder bike.
  • 38 6
 yea, its not enduro unless the front is so stiff your hands go numb
  • 12 3
 Yes, most burly trail bikes come with burly forks nowadays.
  • 7 0
 @Lebmartin: “burly trail”? Though it was upduro?
  • 3 1
 @Lebmartin: only if you don't build your own bike. I run a Manitou Mattoc 150mm on my trail bike and it's only 1800 gms, rides great, not overly stiff.
  • 2 2
 @toad321: sounds like your fork needs some tuning?
  • 3 0
 @mashrv1: I think it's now "All-Country"
  • 5 5
 @sanchofula: "most", but a 36/35mm stanchion fork isn't exactly an enduro fork anymore, that title seems to be more applicable to Zebs and 38s.
  • 9 0
 They used to call it all mountain, but everyone got pissy about that too. Lose-lose.
  • 2 0
 It's crazy - my 2015 Capra came with a Pike and a few years later I up-burled to a Lyrik. Now they come stock on nimble trail rigs.
  • 2 1
 @suspended-flesh: I suppose my 150mm Specialized Pitch far came with Pikes in 2010, running 32mm sanctions. My mate still has his, crazy to think we ever managed to ride those things
  • 18 0
 Tues - 40 - downhill
Capra - 38 - enduro
Jeffsy - 35/36 - all mountain
Izzo - 34 - trail

Their lineup makes a lot of sense.
  • 3 0
 @Tristanssid: Haha yep. The rocks, roots, and ruts were certainly a lot smaller back then.
  • 2 0
 @somebody-else: Yes. They seem to know what they are doing.
  • 4 0
 Pike no longer comes in 150mm, so yes that means Lyrik if you want 150mm.
  • 2 0
 The Fox 34 is appearing in the x/c world cup races these days. Most folks have figured out that you don't give up a lot on the uphill + pedal side by overbiking to a certain level.
  • 28 1
 @YTIndustries While you are here, one more feedback: Please leave the steerer tubes 5mm longer and add another spacer on top of the stem, please.
  • 5 0
 might as well make it 20
  • 24 0
 Hey shoutout to the YT engineers for figuring out how to put a water bottle in a non-trunnion or yoke frame. That shock movement is gonna be choice!
  • 23 1
 It's been a pleasure guys! Hit us directly for any more questions. See ya on the trails.
  • 12 0
 in the high flip chip position and with a 27.5” rear wheel, you’re looking at a ~341mm bb height and a ~64.6° HTA, neither of which are out of the ordinary for a bike like this (this would be similar geo to the stock hightower). dare i say this is mullet compatible??
  • 61 5
 Wouldn't recommend it, Installing a 27-inch rear wheel would result in the axle’s center being positioned 18mm lower. Consequently, the bottom bracket (BB) would also be lowered by 12mm, significantly compromising pedal clearance and potentially causing issues. Even if you were to utilize the flip chip to raise the position, the BB would still be 4mm lower than its originally designated low position.
  • 36 1
 @YTIndustries: Kudos to y'all for not just getting into the comments for this, but to do engage with substantive answers.
  • 4 3
 @YTIndustries: I'd drop my Stumpy Evo mullet in a heartbeat if you'd have made this mullet compatible out of the box. I know the demand for mullet all mountain bikes probably isn't that high, but I think the small rear wheel makes so much sense on a bike that could see everything from steep trails to tight singletrack where a quicker turning radius shines. Props on adding in frame storage though! It's just a common sense feature that's a requirement on any all mountain bike I own. Sad it's not on alloy models like Trek and Spesh though.
  • 2 0
 You'd be fine if you ran a 160mm fork and a Cane Creek Angleset with the external lower cup in the +1 degree steep position. (CC is the only Angle headset with external lower AFAIK) I did this on a Norco Sight ebike where you def don't want to hit the motor and had no ground clearance issues and the BB was close to stock.
  • 7 1
 @YTIndustries: so yes i slightly underestimated the change in BB height, but still a 349 mm BB height is far from out of the ordinary and I wouldn't say it "significantly compromises pedal clearance" compared to many of this bike's main competitors (seriously, just look at the hightower's geo chart - if you want a mullet hightower, just buy this bike and stick the smaller rear wheel on). of course there are drawbacks, but no geo chart is without compromise.

i understand why you wouldn't recommend the 27.5 rear wheel, but i do recommend it :-)
  • 2 0
 @succulentsausage: If I'm reading the last part of your post correctly, you're saying that alloy specialized bikes don't have SWAT?

Because my alloy Stumpy Evo absolutely has a SWAT box.
  • 6 1
 @alienator064: Would say throw a pair of 155-165mm cranks just in case and it should be fine. You can also run a few extra psi in the shock to keep the bike a touch higher.
  • 5 0
 @Mugen: definitely. if someone is worried about a 4 mm lower BB, well that's a great excuse to go 165 and shave 5 mm off the stock crank arm length and **gain** 1 mm of pedal clearance!
  • 2 0
 @FrankS29: i think he was saying it is too bad that it doesn't have storage like the alloy trek and specialized models do
  • 1 0
 @twonsarelli: I figured I might have been reading it wrong!
  • 1 0
 @FrankS29: The correct grammar would be to say "unlike Trek and Spesh though". The word "like" is incorrect, so you did indeed read it correctly - it was written incorrectly
  • 2 0
 @YTIndustries: so what you are saying is that I need to get shorter cranks, at least 165mm, to make the mullet setup work. Nice, thanks for the tip
  • 1 0
 @YTIndustries: just shorten the cranks by 5mm
  • 4 0
 @rojo-1: Yeah, but at which end?
  • 5 0
 @YTIndustries: High position would still be 1mm higher than a Hightower in its Low position. And Hightowers comes with 175mm cranks, not 170 like the Jeffsy does. It'd be fine.
  • 14 0
 @YTIndustries Nailed it ! No cable tourism, good geo updates, banana storage. You even ditched those previous head sets, well at least in some models Smile
  • 18 0
 You'll be glad to know, Core 4 & 5 have Cane Creek headsets, whilst our lower models are still rocking Acros
  • 2 0
 @YTIndustries: Just saw it, good step !
  • 1 0
 @YTIndustries: The Acros headset on my capra didn´t even survive one year... But the only thing YT-Service told me, was where I can buy a new Acros headset... Disappointing
  • 1 0
 @MartinKS: My Acros went out less than a year on my Izzo.The real pain was sourcing the part as it was a size medium which had their knockblock on it. That headset was not available in North America. Replaced it with a Wolf Tooth 10mm extender and Nukeproof headset.
  • 2 0
 @MartinKS: It really depends on good grease. I greased my Acros Headset on my 2017 Jeffsy with RS Military grease.
I still have the bike with its original Acros headset and it work like new.
  • 1 0
 @MartinKS: the Acros headset on my Jeffsy lasted about 5 months and died once winter hit. I put a cane creek headset in and I’ve not even changed the bearings in 3 years.
  • 14 0
 Good job YT - looks awesome
  • 20 1
 Loving the positivity, feel's like Christmas on here today
  • 4 0
 @YTIndustries: Frame only options would be most welcome
  • 8 0
 Just ordered the 2023 version at an insane discount from YT... can't wait! Will chuck a -1 angleset and 160mm air shaft in er and it will be a killer do-everything bike with similar geo to the new one. Nice work YT.
  • 12 3
 The choice of a press fit bottom bracket still seems odd these days. That said the specs and price look great if someone is willing to overlook the press fit bottom bracket.
  • 6 4
 That's the one factor that steers me away from YT, Pivot or Yeti when considering a new whip...if it ain't got a Threaded BB, next please!
  • 12 1
 If a pressfit is done right, it has no problems.
My 4 Giant's (Trance, XTC, Anthem, TCX) with pressfit haven't had any issues and have a total of 20y of use in them.

Also Canyon on road end is fuss free for 5y.

Problem is when poor manufacturing causes issues. BSA can also be an issue if poorly aligned, very quick bearing wear. BSA shell can also be unglued from carbon in some instances.

Anyhow, it is not a dealbreaker for me based on my experience.
  • 2 0
 @GoranNaVAjt: I am not saying that I love press fit, but really zero issue on my Canyon Grail CF and zero issue on my friend KTM prowler. Also I own a BSA stumpy, surely easy to change BB, but for sure press fit is not a deal breaker.
  • 2 0
 @DiscoMTB: yetis are threaded BBs now
  • 1 1
 It's a deal breaker for me. I've had shops install them and done it myself with a BB press. None seem to last. Never had an issue with BSA.
  • 7 0
 That Core 3 build offers pretty compelling value. Overstock fire sale prices are one thing - this is a brand new bike, with meaningful updates. Hoping to see more of that.
  • 10 3
 I'd like to see an Uncaged version of this bike, with a coil shock in the rear, and a 38 mm stanchion fork in the front. That would be an interesting bike.
  • 14 0
 Sounds like we better start working, that sounds sick!
  • 26 4
 a 38 on a trail bike is overkill, just get a capra
  • 2 0
 @YTIndustries: I put a 38 on my OG Jeffsy 27, I still ride it 6years in. Too good a frame to just replace.

I wanted a Capra core4 this year, I signed up to be alerted when they became orderable but never got an email. Missed the window and bought a competitors enduro bike instead. But I’m keeping that Jeffsy around too.
  • 3 0
 @bashhard: just put a 38 on my '19 Banshee prime. Love it.
  • 2 1
 @bashhard: I'm a big guy, and pretty strong. I've been absolutely blown away by the stiffness increase from a Lyrik to both a 38 and a Zeb. If you look at the EWS, there are a bunch of really fast riders on trail bikes with 38 mm forks. I want that for my next bike.
  • 1 0
 This idea intrigues me. I’d like to add, mullet capability’s
  • 7 0
 I think this is quite an appropriate update on the Jeffsy. Not too much, just right.
  • 11 1
 Don't fix what's not broken, stoked that you like it!
  • 4 0
 @YTIndustries: minor gripe but why didn’t you guys address those little rubber cable plugs that don’t stay in the frame cable port? Those Things drove me fuggin nuts on my 2019 jeffsey. Would never stay in place. Ended up siliconing them.
  • 4 0
 I think it's a good evolution of the platform. My friend has the outgoing model and it's a very cool bike, but the geo was a bit conservative for the intended use. This looks bang on, at least on paper. I'd strongly consider this if I finally deem myself worthy of a full suspension bike
  • 4 0
 PSA - anyone who wants an angleset for a previous Jeffsy (they need a little tweeking) works components have some scratch and dent stuff for half price, my experience being the scratches and dents no worse than some brands normal gear.

A friends 2023 Jeffsy -1 Wolf tooth angleset, and longer fork is a ripper, go do it.

YT still giving the people the best value in the business as far as I’m concerned.
  • 4 0
 Been working out what to replace my 2020 Jeffsy with....it has been such a good bike that nothing I have seen on the market has come close to what I want.....and now we have the new Jeffsy....think I've found my replacement!
  • 5 0
 When we say “full sized water bottle” what do mean? 600ml? 750? Please
  • 13 0
 Our 620ml bottle fits, some 700+ bottles might fit depending on manufacturer.
  • 1 0
 I find their geometry is pretty much perfect (not a YT owner) of keeping a large trail bike around a 1240mm wheelbase. Much shorter it feels less stable, much longer it starts to get Enduro. Also nice that it doesn't have an ugly crossbar brace on the main triangle. Good job YT.
  • 1 0
 While the new bikes look great I’m gutted I couldn’t grab a small Core 2 27.5 from the previous model at the sale price, for my 12 year old’s step up from the Primus 26!

160/160 with Fox Performance for $2000 was an amazing deal and would have made the perfect ride for his first full season of enduro racing next year!

Primus 27 it will be, with some upgrades…
  • 5 0
 Nailed it!
  • 9 0
 Thanks! We're stoked on it.
  • 1 0
 @YTIndustries: website says 150x150, just FYI
  • 4 0
 Frame storage! Glad too see it
  • 4 0
 Question is, what to store?
  • 29 0
 @FlowingFlo: Monkeys never cramp.
  • 6 0
 @YTIndustries: PBJ Burrito for sure.
  • 26 1
 @YTIndustries: Your father's gold watch. WAY more comfortable than some alternatives.


(staying with Christopher Walken theme)
  • 1 0
 I can't wait to hold the bike over my head to shake out whatever gravity has snuggly stored down by the bb
  • 12 2
 I'm in the small minority here for sure. But I do not want in frame storage. I don't need my bike to have doors or more opportunities for water ingress
  • 1 1
 @YTIndustries: Sour gummy bears, naturally.
  • 1 0
 @TheMicha: bush party no sleeping
  • 7 0
 @dungeonbeast: Amen to that. Between water ingress and the inevitable weakening of the downtube (or additional weight/manufacturing cost to make the compromised design stronger by adding additional material), it seems like a stupid thing to do. There's plenty of space in most front triangles to put an extra pair of bosses, so people who care to carry stuff on their bikes rather than their body can do so in a neat, nicely sorted way without compromising the frame.
  • 1 0
 @TheMicha: hahaha I know the reference!
  • 1 0
 @dungeonbeast:
I have ridden the stumpjumper for 3 years in fairly wet conditions without excessive water ingress due to the swat door. There is a draining hole at the bottom bracket in case (I guess it’s the case on most bikes). And the frame didn’t crack there neither.
But I have to say I never use the storage because I find it or too noisy or too difficult to take out if the content well packed not too rattle. And no frame storage makes for a cleaner tube.
So it will not be a selling point for my next bike
  • 1 0
 @pdxkid: Sugar free?
  • 6 0
 @YTIndustries: That's where you put your weed.
  • 1 4
 @g-42: exactly! I don't understand why frame storage (swamp box) became "mandatory", even according to the Pinkbike editors. It is such an unnecessary thing when extra bosses + storage bottle would be much much better solution.
  • 3 0
 Nice work, YT. Good selection of build kits and you kept to the roots of the bike while implementing some good updates.
  • 1 0
 I had a gen 1 Jeffsy last year, such an incredibly playful bike. However the rear was soo progressive and 35% sag was the only way to make it feel good on tech but got crazy pedal strikes
  • 1 0
 Although the previous Jeffsey wasn't bad, it wasn't as good for me as the Canyon Spectral I rode in back to back tests. I would be curious to see how much better this iteration rides.
  • 1 0
 Had the 1st gen jeffsy for years. Until an overseas move forced me to sell it. But had some epic adventures on it. Maybe I need to come back to this one...
  • 2 0
 Guys I'm dumb at math, what's that progressivity in overall %?

Also what the equation to figure that out?
  • 3 0
 looks to be about 32%. take the starting value of the leverage (~3.3), subtract the ending value (~2.25), and then divide by the starting: so 1.05/3.3 = 31.8
  • 1 0
 m.pinkbike.com/news/introducing-behind-the-numbers-a-new-suspension-analysis-series.html

The chart above looks like a change in leverage ratio from 3.3 to 2.25 which, according to that article I linked, is about 32% progression. I'm not sure everyone measures it the same way though.
  • 1 0
 @twonsarelli: Cool thanks guys, really good ratio for coil shock forsure.
  • 1 0
 @Froday: yezzur!
  • 3 0
 Killed the 27.5 options, eh?
  • 4 0
 They're almost free if they have your size. Those prices are nutty!
  • 1 0
 Have the Primus version as well.
  • 6 0
 I just picked up a Core 2 for $1999. Excellent value and a really nice bike!

I wish YT would jump on the 27.5, short travel playbike bandwagon and release a 140R/160F 27.5 Jeffsy.
  • 1 0
 @schofell84: I know, been praying a small would come back into stock. Such great deals!
  • 7 0
 @Endurahbrah: Yup, me too. I'm sticking with 27.5 both ends because it just works for me. Come on YT, you got at least two sales here!!! Two!
  • 1 0
 @Vudu74: the Primus 27 is a size small from the regular bikes.
  • 1 0
 @ChiefSilverback so they just underspeced a size small and called it a primus?
  • 2 0
 Something tells me that Christopher Walken isn't in the budget for mountain bike businesses anymore...
  • 2 0
 I'm still on my 2019 Jeffsey, and I love it. I'd like to see how the 1.5 degree difference in headtube feels.
  • 1 0
 I have the 2019 Pro Race that was 150 f/r the I bumped the fork to 160. My phone measures the hta around 64. Rides great. I bet an angle set would be good stuff if you’re cool with the reach getting a smidge shorter.

I’ve been toying with putting an angleset in my capra for funsies.
  • 2 1
 I realize that there are only so many ways a bike can look, but this thing really does look like a revel that's slightly less busy in the pivot area.
  • 2 0
 Or Ibis HD6ish?
  • 1 0
 Is this the bike 95% of us should be on? Seems so to me. Miss my old Jeffsy sometimes, that was a fun bike and this one seems like a natural progression.
  • 2 0
 I had an alloy Jeffsy with am angleset. I sold it for $800 more than I paid for it. Gotta say, I still miss it.
  • 1 0
 Core 2 and 3 looks like best values depending or frame material preference. In general Jeffry always was balanced bike for do it all, from trail to park laps
  • 1 0
 wow that's a really progressive leverage curve...seems like it would be hard to get full travel unless you increased the sag? Maybe a coil would be a better fit?
  • 2 0
 I've hit bottom where I'd expect to, it feels pretty reasonable to me.
  • 2 0
 Still curious who Jeffsy was all these years later.
  • 11 1
 A living legend, he's for sure your best friend
  • 1 0
 don't think i could get my oneup pump through that frame opening but so glad to see it nonetheless
  • 2 0
 What build is the 35lb weight for?
  • 9 0
 Core 1 is 35lb (16kg), whilst Core 5 is 32.6lb (14.8kg)
  • 2 0
 A frame only would be tempting, especially the Alloy one.
  • 2 0
 Good looking bike, great value, what is not to like!
  • 2 0
 Has anyone ever run their bike in the high setting?
  • 3 0
 Ratboy did I think.
  • 1 0
 Yup. Couldn't really tell the difference (0.5°) though to be honest
  • 2 2
 Amazing bike, the only weak point from my perspective is Code R brakes on cheaper builds. I personally went for Capra Core 4 only because of the brakes
  • 7 0
 Unfortunately that's something we have to do to get the price point to where we believe it should be. We also noticed a-lot of our community swap their brakes for various different models, so it's hard to find one brake that fits all.
  • 13 0
 Still not often we see a cheaper version of TRAIL bikes coming with CODE brakes in stock version. That’s no Guides, these thing actually stops bike more than well. Props to YT
  • 4 4
 @Velosexualist: I would take Shimano Deore/SLX/XT or Formula Cura over Sram Code R any day.
  • 6 0
 @skulichkov: Based on real world Trail performance, id take code R instead of those.
Stock wise, pickup some cheap RSC levers, a good bleed and they are killer!
  • 4 1
 I would NEVER buy or not buy a new bike because of the brakes that are spec'd. You're wild bruh.
  • 3 2
 @skulichkov: Code R are truly a spongy mess, manufacturers should spec the new Code Bronze instead which is using Swinglink technology like RSC/Silver brakes.

Price difference is minimal, yet lever/brake feel is much better.
  • 3 0
 @skulichkov: I'm thinking OEM pricing on all things SRAM must be awfully compelling. That, or availability. Otherwise, it's really hard to explain common spec choices. Like why would anyone decide SX/NX and Guide brakes was a better idea than Deore drivetrain and brakes? On consumer pricing and what users will experience with those after a little while of use (and how they'll feel about the brand that spec'd them), you'd think that's the obvious move. But either SRAM gives one hell of a package deal compared to Shimano, or Shimano can't somehow accommodate the lead times and order commitments that the OEMs need.
  • 1 0
 Gold or red mtx brake pads in Code R does wonders.
  • 2 0
 @g-42: no Shimano builds on YT. Strategic decision I think, lead times are not a factor.

Don't agree with it as I prefer Shimano, but it is as it is.
  • 2 0
 @rick26:
Bleed them properly and there is no sponge at all.
  • 2 0
 It's a bit confusing that L size suits Dario and his 6'3" / 191cm..
  • 7 0
 "Either size would work nicely, but for the terrain in Bellingham, I think the smaller wheelbase is more fun. If I were looking for all-out stability and a safer feel at speed, then I'd probably go with the XL."
  • 2 0
 Can confirm Dario’s comment. I’m 6’1” on an XL mk2 and enjoy the stability for straight line speed. I would also be perfectly comfortable on a L.
  • 3 0
 @YTIndustries: thank you
  • 1 0
 @YTIndustries: so in other words if you ride mostly steep technical trails in the woods (and not fast tracks in a bikepark) it's better to choose a L instead a XL, right?
I would easily understand if Dario was in between L and XL... but he's between XL and XXL.
I'm just trying to understand, it's tricky to pick up the right size when you buy a bike online.
  • 1 0
 Love the colors, reminds of the old 2002ish Enduros that really rigidly tied color and spec.
  • 1 0
 Good thing there isn't a yellow option for an Izzo, cos that could be costly for me
  • 1 0
 Did you see the new IZZO Core 3 in Cream Yellow or the Uncaged 11 in Electric Yellow?
  • 1 0
 @SamNicols: No, and my finances don't want me to look
  • 1 0
 @SamNicols: I'm surprised to see that Europe gets different frame colors than NA. Our core 3 is olive green.
  • 2 0
 You're looking good on that bike Dario. New glasses?
  • 1 0
 It would be sick if there was a Core 4 SRAM build on a raw allow frame... but can't complain about the current offerings.
  • 2 0
 wish YT sold frames seperately!
  • 1 0
 I have to wonder how this bike would ride if it were say......5lbs lighter?
  • 1 0
 Mk2 for sale! I'll take the 1/2 a degree sacrifice (HT in high) for the water bottle action Smile
  • 1 3
 "In the 5-size range, the smallest 3 get 437mm chainstays, with the larger 2 jumping up to 442mm. While not exactly a perfectly size-specific approach, it at least addresses the shift in balance from the smallest to the largest reaches in the range."
REALLY??? How bad is your math that you think a 5mm difference in chainstay length can compensate between the 23/28mm differences in wheelbase between sizes much less the almost 100mm difference between the smallest and largest frame sizes!!!
  • 1 0
 What is "seattube angle (eff)" if not "seat angle at saddle height"? Do they mean "seattube angle (actual)"?
  • 2 1
 YT is making it hard for me to sell my mk1 Jeffsy Frown
  • 1 0
 Frame storage; full bottle size; udh..not big diff from my '19...and mine is 29lbs with big fork.
  • 10 12
 Am I the only one who rides with a slimline backpack + Camelbak? I don't think I've drank out of a water bottle since I was 7, so I don't see the allure of strapping one to your bike.
  • 9 1
 I ride with an only a water bottle and nothing else very often and leave the phone, etc. in the car. Thanks to frame storage, I have tools, spare link, tube and mini-pump in the bike at all times. For rides under 1.5 hours, it’s so nice.
  • 4 0
 @AndrewFleming: I do the same thing - but without frame storage. OneUp EDC tool in the pump, attached to the bottle cage; spare tube strapped to frame. No need for a big fat weak spot in the downtube (or all the crud that will work its way into the frame that way over time).
  • 2 0
 @g-42: Why do think it’s a big fat weak spot? Are frame failures happening there? I have not heard of that at all. And I’ve been impressed with absolutely zero water getting in the frame storage after washing the bike over and over, and stream crossings and riding in the pouring rain. But each to their own.
  • 1 0
 For shorter rides it’s nice. For really long rides it’s nice to have if you want to carry more water than your hydration pack can
  • 1 0
 I ride with a water bottle in my rucksack..
  • 3 0
 @andrewbmxmtb: I ride with a rucksack in my bottle cage.
  • 2 0
 @xciscool: I run with a bike in a bottle.
  • 3 0
 @AndrewFleming: I’ve actually seen someone running with bike on a backpack training for some bike packing race that included a massive hike a bike.
  • 2 1
 I carry a Dakine hydration pack on every ride. Riding in the desert, a 2L bladder is routinely not enough water, so just carrying a water bottle is not an option. Additionally, I was not in love with the fidlock system. I never dropped a bottle on the trail with it, but it was never as easy to get a bottle on and off as I would have liked. (Possible user error).
  • 1 0
 @AndrewFleming: I hope your mates don't mind you not being able to call the cavalry when they fall off...
  • 1 0
 @korev: We all got along just fine in life without phones on us 24/7. My short rides are usually solo anyways.
  • 1 0
 @AndrewFleming: Do a little examining around your bike's in-frame storage. Wall thickness around that area is beefed up - that complicates the mold and the layup process. Nope, they're not stupid enough to not reinforce them - it just adds to the cost and complexity of the bike (and a little bit to weight probably). Same with ebikes and whether the batteries slide into the downtube (which makes them harder to swap) or have a big fat hatch (which then requires a bunch of extra material to make them sturdy enough).
  • 1 0
 @g-42: Yes, I get all that and yet I still like the storage. My bike is light enough for me. I could drop a few pounds off my own body weight! The cost and weight were better than the other options too.
  • 2 0
 @andrewbmxmtb: GAWD i read buttcrack at first
  • 1 1
 It's only bias towards some nations now only pinkbike not giving Kilos anymore?
  • 1 0
 Why doesn't Renthal sell those stealthy alloy bars?!
  • 3 0
 Acetone
  • 1 0
 @dirtyburger: I put that sheeeit on everything!
  • 2 0
 @dirtyburger: does it work though?
  • 1 0
 @mafflin: Also interested
  • 2 1
 Yeah great, but it's the updated decoy we are all waiting for.
  • 2 0
 It has to be said, YT are a bit slow releasing new models. Decoy is old and needs Bosch. Tues still has 27.5" wheels.
It's like living in the 2010's
  • 1 0
 Well, last weeks survey didn't led to metric units, despite great demand.
  • 1 0
 album images seem locked.
  • 1 0
 Thank goodness that all builds are "core" builds!
  • 1 0
 YT needs a build option with full Manitou / Magura / Hayes option.
  • 1 0
 nice bike when comes a new yt tues?
  • 1 0
 Nicely done, YT! My Revel Rascal is staring at me nervously right now...
  • 1 0
 CORE 1 colorways with CORE 2 build, the perfect bike...
  • 1 0
 I hate (Love) Jeffsy!
  • 2 3
 I was right - its the 2016 Jeffsy re-release
  • 1 0
 In what way?
  • 7 9
 Saved you a conversion: 34.4lbs is 15.6kg.
  • 103 2
 Thanks, hit us up on Linkedin when you want a job.
  • 4 139
flag Archimonde (Oct 25, 2023 at 7:25) (Below Threshold)
 @YTIndustries: Thanks for the insult for saving everyone's time. Being in Germany yourself, you of all should know better.

I'm happily employed, thanks for the offer. And from your attitude, I wouldn't work with someone like you anyway.
  • 31 0
 @Archimonde: Please adjust your Humor Detector to: Internet Forum Comment /S
  • 4 0
 @Archimonde: You must be real fun at parties.
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