PRESS RELEASE: Transition BikesLast year we introduced the latest and greatest
Patrol, now sporting 160mm travel and mixed wheels, it was made to party on the trails. The new carbon frame aims to increase the fun on all levels, from getting sideways on your favorite jump trail to pedaling your legs off in the mountains.
The frame is carbon from front to back, giving it sharp looks and helping reduce overall weight. It has geo adjust chips, size specific chainstay lengths, the ability to be run at 170mm travel and all the other features found on the current alloy model.
New and Noteworthy Features:-Frame weight is 7.4 pounds, 2.8 pounds lighter than the alloy
-Fully guided seatpost and derailleur housing
Patrol Features:-160mm travel front and rear
-Mixed wheel configuration with 29 front and 27.5 rear
-External rear brake cable routing
-Size specific chainstay lengths
-Geometry adjust chip at lower shock mount
-Dual crown fork compatible
-Lifetime warranty and crash replacement program
Watch our video "On Patrol" with Torsenn Brown to see what it's all about!
For this video we wanted to showcase the ultimate dream riding we associate with the Patrol. Fast, loose, and all-out turn smashing on every section of trail. This paired perfectly with one of our most under the radar riders on our team, Torsenn Brown.
Torsenn may not be a name you've heard before, but that's because he prefers to let his riding do the talking. Not one to boast about himself on social media or at the trail, Torsenn has been gracing podiums in the US downhill racing scene for the last few seasons. Off the DH track, Torsenn's background in skiing has given him incredible air awareness, rounding out his skill set in a way only a few riders have.
The Patrol is all about fun on the trail. The mixed wheel setup gives the confidence to push hard and go fast, while remaining incredibly agile and quick to change directions. This track, rider, and bike are one hell of a combo!
When he isn't ripping laps on the local trails and training for downhill racing, he's practicing the smooth flips and rotations seen in this video.
"If I don't crash at least a couple times, I'll be bummed" - Torsenn
It would have been easy to leave out all the crashes, but we wanted to show how much work and effort Torsenn put into this video. Over the course of 3 early mornings we ticked off each section, starting with the high speed open loam and jumps before finishing up on the big doubles. Not only was he pushing hard for this video, but he did it with a smile, never complaining when asked for another take, but instead seeing it as another opportunity to ride his bike. It was that love for riding and stoke that kept the whole crew motivated to capture the essence of the Patrol.
Rider: Torsenn Brown (
@torsenn )
Photos: Oliver Parish
Video: Skye Schillhammer
Expect to see frames hitting the website or your local bike shop this fall, with complete bikes following shortly after!
Learn more at
TRANSITIONBIKES.COM
Step 2: Produce one of the heaviest aluminum frames on the market at 10.2 lb (4.63 kg) and sell plenty of them.
Step 3: Launch a carbon frame that weighs slightly over industry average for carbon enduro frames.
Step 4: Use the 2.8 lb (1.27 kg) weight reduction to pique the interest of potential customers who care about weight, despite being 67% over the lightest in the category.
Well played, Transition.
There certainly have been some past Nicolai models that were designed like they were trying to create scarcity in the aluminum market, which make the sensible weights of their other models seem light.
Replace one of the small wheels. Halfway there.....
Some Horst bikes have nearly the lowest anti-squat on the market. Some have nearly the highest. Some have nearly the least progressive motion ratio curves. Some have nearly the most. Some are stiff and some are noodles. The same can be said of various bikes with two short links or other layouts.
It's not about the suspension layout, it's about how it's configured. There's no need to restrict a comparison to Horst vs Horst, without considering SS (short & short links), LL, etc. Two bikes with LS (long & short, such as Horst) linkages with vertically mounted shocks could be the most different bikes in the world, and there are LS bikes that are extremely similar to some SS.
Go ahead and compare a Transition to a Rotec, and compare both of them to a Banshee. Price is the universal basis for comparison, so evaluate the ride experience you get - everyone wants something different - for a given budget, or compare the incremental return on investment between bikes with different prices.
That would be quite the shootout. Only horst link bikes that start with "S"!
Sentinel vs Stevo vs Spectral vs Sight.
I was too curious and just weighed a Radon Swoop 27", size L.
It's 3170gr (6,9 lbs) with frame hardware, rear axle and headset cups and some chain slap protection. I've ridden it 5 years with 15-20 lift days each year and I'm 95kg.
Replacement Swoop 29" XL is 16,5kg (36,4lbs) with flat pedals, 223/203 discs, 1450g tires... eg nothing to try to make it light, except no coil shock.
Cheap, light, strong, pick all 3 (by accident!).
As @R-M-R said, you don't have to "pay a toll for heavy hitting alloy bikes" price or weight wise, you just have to buy "those serious - maybe even German - companies that produce light bikes."
Orbea gives lifetime warranty on lighter frames. Still I think lifetime warranty is overrated - more a marketing gimmick - how many of you PB commenters keep your bike for more than 5 years?
My bike is a pig, this doesn't bother me. It treats me nicely on long climbing days (coming from a 34 lb Ripmo AF, and still own a hardtail I use regularly, and the spire is fine for me climbing in comparison).
That said, I know people who would start climbing it and talk about how heavy it is and miserable they are climbing it. I also think most these people wouldn't say a peep if I put 3 lbs of weights hidden in their seat box without telling them.
That's why I've never put much money/attention towards light parts/frames on my biggest bike which is this Swoop 170 (would be different if I had a dedicated DH rig for park days), it's a good climber anyway.
But I strongly disagree with you : you state a 1.5lbs difference, but it would be 3lbs with similar parts, since that's the frame weight difference. Apparently my swoop would be 35lbs with your parts.
Swoop was 3000€ and same spec Spire is 6000€, don't want to bring up the DTC debate but surely Transition has "enough" R&D budget to make light AND strong frames.
Also I don't actually know about Transition, but other "heavy overbuilt frames" like Commençal or Norco don't seem to bring the supposed peace of mind... Like Raaw's Madonna seems to promise for example
My friend also has the last smuggler and absolutely loves it.
@pargolf8:
Funny the Smuggler comment always comes up w/ pretty much any Tranny release. I'd love to hear if any Sentinel owners have short-shocked it (which tranny advertises as an option) down to 140r/150f and how that affects agility and efficiency. For now that's a smuggler-ish setup and it seems like lots of smuggler owners were long shocking it anyways.
I think a good indicator of what the Smuggler market is, especially in carbon (as who wants a super heavy 130-ish bike), is how many carbon Optics Norco sold. Like mtb-thetizown said I would think there's a strong market for a bike between the Spur and Sentinel. I've considered short-shocking my Ripmo down to 133r/150f just for funsies.
Answer: It doesn't affect it at all. Not one little bit.
People often talk about aluminum rims being less harsh than carbon, some frames being "noodles" while others are super stiff, and I'm sure we've all felt a handlebar that killed our hands or a stem that felt like we were rowing a kayak. All these things are flex. Metal flexes. It's unavoidable and, if designed properly, totally fine. In the case of a rear triangle, there's most of a metre of beam length available to flex, and the displacement may be only a few millimetres. That's less strain than in a handlebar, especially if the rear triangle elements are vertically flattened.
As for "harsh" my understanding was that that was also down to damping. You can design a titanium and an aluminium bar to be equally stiff, but the titanium bar will have more damping so it will be more comfortable. Again that's what I've read. My frames have all been steel, mountainbike handlebars aluminium. I haven't compared anything.
One of the classic bike publications - the sort that was almost as much an academic journal as a magazine - did a fatigue test of high-end lugged steel, welded steel, and aluminum road frames - maybe there was a titanium frame in there, too. The result was nearly the inverse of what the traditionalists predicted: the lugged frames failed somewhere around 60,000 cycles, if I recall; welded steel frames failed at considerably higher cycles; and the aluminum frames fared best, often lasting until the machine was switched off.
Of course, this doesn't prove aluminum products are intrinsically more durable than steel, just that aluminum can be a durable frame material, steel isn't guaranteed to be so, and the optimal balance of weight, stiffness, and durability for a given material may force a compromise in durability for steel to achieve a viable weight. The different requirements of a mountain frame will shift the balance, but again, the broad conclusion remains that aluminum can be durable and steel and titanium are not guaranteed to be so.
Regarding damping: that's a myth. No metal suitable for frame construction has any significant amount of damping. Of course there is some damping in the most literal sense, but it's negligible - bordering on infinitesimal - in the context of the complete system. I'll summarize some properties of the Big Three metals, which Scot Nicol covered beautifully in his classic Metallurgy for Cyclists series:
Shape: Stiffness increases exponentially with diameter. For the same amount of material, a large, thin tube is stiffer than a small, thick one. Unfortunately, there is a minimum ratio of wall thickness to diameter required to resist denting and buckling (the ratio is not constant; it varies with the material properties).
Steel
+ High to very high strength
+ High elastic modulus
- High density
Result: Can't afford to use much, or else it gets heavy. Luckily, little is required, due to the strength and modulus. Tubes have to be fairly small to avoid excessive weight, which limits stiffness of the constructed frame.
Titanium
+ Moderate to high strength
+ Moderate density
- Low elastic modulus
Result: Can achieve good strength at low weight due to the high specific strength, but the stiffness will be low. Titanium gets its reputation for being comfortable because many frames and components are designed to be strong enough and fairly light, resulting in low stiffness. Many early titanium frames wobbled like Jello, yet were still fairly stiff in-plane due to the intrinsic properties of a traditional bike frame. Worst of both worlds, but we eventually got better at maximizing the advantages and minimizing the disadvantages.
Aluminum
+ Low density
- Low strength (some exotic alloys greatly outperform the usual alloys)
- Low elastic modulus
Result: Have to use a lot of it, which is fine, because the density is so low. This allows large tube, with enough wall thickness to resist denting and buckling. It's also convenient for frames with many, complex brackets that could become heavy if made from a material with high density.
Hopefully that summary - or Scot Nicol's articles (read them, they're interesting and fun) - clarifies why titanium has a reputation for being the most comfortable, steel moderately so, and aluminum is considered harsh. It's all about the flex, not damping! Bike brands and factories now have so much experience with aluminum that a truly high-end aluminum frame can be among the most comfortable at a weight comparable to entry-level carbon, without sacrificing durability. The hard part is convincing people to buy aluminum at carbon prices, even if the weight, performance, and durability may be comparable.
That said, I would absolutely buy a vintage Moho STS or Moho Road and build a resto-mod city bike.
One thing I realized from the Cotic Geek pages and which I agree with, in some areas room for large diameter tubes is limited so when strength is critical steel wins over aluminium. This is typically the case around the seattube area where you have cranks, chainring, suspension system (linkage and shock) and also need room for tire and clearance.
As for aluminium and fatigue, isn't it usually a trade-off between strength and fatigue resistance. In aircraft typically the planes subject to tensile loads (top of fuselage, bottom of wing) are made out of the less strong but more fatigue resistant Al2xxx series whereas the planes subject to compressive loads (top of wing, bottom of fuselage) are made out of the stronger but less fatigue resistant Al7xxx series. So my understanding was that bike frames out of Al7xxx and Al6xxx series needed to be stiff in order to not prematurely fail from fatigue. A friend of mine used to ride a hardtail from Miyata made out of Al2xxx aluminium. He loved how comfortable it was as it was designed to flex more with fewer worries that it would fatigue.
I'd have to know more about this fatigue test you mention before I can truly comment on it. Where did the lugged frames fail? Typically the lugs are cast so these aren't necessarily more durable than a weld. Depending on the shape of the lug, you may also have stress concentrations near where the lug stops. And then yeah as for the aluminium frame as mentioned above it also depends on the alloy. Then for the welded steel frame, what was it like? If you look at a classic steel frame, tubes have a small diameter whereas more modern steel frames have a thinner wall and a larger diameter. The larger diameter obviously limits the deformation and contrary to popular belief, a thinner wall is better at stopping crack propagation. Once you've gone past the crack initiation phase, you've got a crack between the grains with sharp ends. If the material is thin, the stresses near the crack tip will increase past the yield point and cause it to ovalize. So soon enough these tips will be rounded and the crack growth stops or at least grows very slowly. If the wall is thick, the stresses near the tip won't pass the yield point throughout the full thickness of the wall and it won't ovalize properly.
So yeah, what we both do agree on is that we can't make blanket statements on which is the better bike material. If designed properly, they can all work well.
It's true that some areas are space constrained, especially the “tight spot” where the chainstay passes between the chainraing and rear tire, yet Cotic uses steel front triangles, where such constraints are minimal, and aluminum rear triangles, where constraints can be severe.
You're correct that fatigue is a major factor in bike design. For bikes, inspection is easier and consequences of failure are lower than in aviation - and we face less rigorous regulations - so we give designers too much credit if we assume frame materials are chosen to optimize these properties! As I mentioned above, the hierarchy is design > manufacturing > materials.
Fatigue life of a bike frame is typically determined by a weakness in the design – you won’t find a FEA model without a few hot spots, and they’re often severe. Even if the design is well optimized, manufacturing imperfections and damage through use are likely to introduce weaknesses. Designs rare take full advantage of the material properties. It’s possible your friend’s Miyata was designed with less stiffness due to a more resilient material, though even basic 6061 can be allowed to flex a surprising amount in the main spans of the tubes if the vulnerable joints and other problem spots are executed well. There have been plenty of titanium frames with short lifespans due to localized stress concentrations, so a great material is no guarantee of a durable frame.
The magazine test I referenced is a distant memory. To the best of my recollection, failures were typically at joints – ends of lugs, chainstay bridges, and the like – but it’s been ages since I read it.
Your statements are true about crack propagation through thin vs. thick materials, but it’s not always applicable to actual designs. The usual decision involves a catalogue of tubes, usually of the same material with similar outer diameters, and deciding whether to go up a level in wall thickness to bump up the safety factor. In that case, the thicker walled tube is typically less likely to crack simply because it’s stronger. If there was a situation in which to choose between two tubes of equal mass with different outside diameters and, therefore, thicknesses, I would agree the thinner one could be less likely to develop a problematic crack, but there would be many other factors to consider.
@OnTheRivet: I addressed precisely that subject four posts ago. Misunderstanding of the fatigue endurance limit is a common problem among cyclists. Yes, steel and titanium have such a property and aluminum does not, but the strain threshold is extremely low - far lower than what's relevant for bike parts. Bike parts are stressed multiple orders of magnitude beyond those thresholds, so all three materials have a finite fatigue life, with the endurance limit properties being irrelevant to the calculations.
I've stuck with TR ever since getting a 16 Patrol. It was just a riot to ride compared to other bikes at the time. They've certainly made fun trendy but I just keep going back. The change to SBG was real, not just hype, I've ended up on a carbon Scout because age and whatnot related issues meant I wasn't getting rowdy enough to push the19 Patrol to get the most out of it.
Every TR I've ridden just gets me grinning and I've no doubt this one will be the same. Sure they're heavy but I rode the 16 Patrol on long rides including a 41 mile enduro and it just got on with it and it was easy to blast past all the weight weenies on their lighter XC oriented bikes on all the downs. Sure most overtook on the next climb but so what I had fun.
Transition deserves some ribbing for its chonky frame weights, but the current Spur and Sentinel are doing just fine as far as I'm concerned.
I know TR are on average a little heavier than a lot of other manufacturers, but people aren't buying and riding them to worry about weight. I'm an older rider and I still remember 26" days. 27.5 feels great and 29 feels sluggish for me. No hate on 29, but the flickability and quick twitch on tighter trails of the 27.5 is great with this bike.
Even with carbon wheels and a nicer build than my Knolly Delerium, it's 3 pounds heavier and takes me about 10 minutes longer on the same climb & takes more energy to do it, but oh dear god is it fast coming down.
Hopefully that helps a little, feel free to dm me if you like or have more questions.
$350 more than the GX Bronson and $100 less than the GX Megatower... I guess that's just the world we live in now.
Bottom bracket is too much low, so a lot of small pedals strikes.
I'm running it in mulleet with a fox 36 (170mm) , it's much better for the bottom bracket but I'm not faster in mullet.
The fox 36 (2020 grip2) is more comfortable than the fox 38 (2022 grip2).
Geo is good, With a Zeb it ends up being about .5 degrees slacker than stock settings.
Makes it pretty low though. But you get use to it.
I'm still on a 2018 alloy Kona Hei Hei as i haven't seen a better alloy frame option for a fun XC bike with a decent sized XL
Well done to all.
The alloy version is 34lbs... and the carbon is 3lbs lighter.
i.kym-cdn.com/entries/icons/original/000/033/152/cover4.jpg
Have a mulleted Megatrail - it's better at some things than the standard MT, not everything though.
I don't see a need to have a 29" rear wheel at the moment.
Pros:
- Better front traction and rollover than the 27.5 wheel
- Slightly slacker HA, lower BB (-10mm travel & short GG lower cup still raises front end a few mm)
- Lighter rear wheel than a full 29er, shorter stays for those who prefer
Cons:
- Increased front wheel/tire weight and gyro effect (slightly)
- Can't swap tires between wheels
- Slightly reduced travel means less cush up front
#partyinthewoods
@MattP76
I'd wondered about these same points too. I understand the contact patch theory well. Rider weight (force) being the same, contact patch spreads out to the same effective area (different shape) no matter the tire width/diam, excepting the role sidewall stiffness and slight shape effects play, which most folks assume are negligible. Normal force is responsible for friction (directly related to cornering capability). I suspect that tire deformation is a real thing that can make a difference-- in terms of the deformation from normal being reduced with the larger diam tire.
This mullet experiment was as back-to-back as I could make it. Same wheel build, same tire compound, width. Only diam changed which brought with it extra weight and whatever variation came with 1 year newer parts. Even compared the tires when partially worn. Same pressures (within a psi)
This 29er front setup sticks better than the old one in even flat turns. Could be the slight combination of newer things, slight HA change, BB drop, etc.
Not hating on the "E" but there are plenty of us that don't need or want the motor/battery, even though we might live squarely in the demographic where it fits the best.