Tech Randoms - Les Gets World Cup DH 2021

 Pull Shock Schwinn Straight 8's /Yeti DH8's.... sexiest bikes on earth

 "Just another reason to not jump on the Enduro only band wagon. Nothing like a dual crown hanging off the front of an absolute work of art frame."

Formula - "Hold my beer"

 @shwinn8: Turner DHR, Iron Horse Sunday, Antidote Darkmatter, Evil Undead... DH bikes ain't going anywhere.

 @ethanshredz: Iron Horse, a company with a rich history of DH talent. I often wonder if they will ever rebirth

 Hahaha , some Enduros will have DC forks in the future. Formula made it clear .

 @Serpentras: some enduros already do...

 @Mondbiker: hmm really, witch are factory equipmet? I didn't saw any bike that has them. I know a bunch who can take DC but that's not the same.
So witch allready have them?

 @rivercitycycles: I thought the brand of ironhorse was purchased by a budget superstore a few years back?!

Just need to get Dave W to get that DW-link patterned design reconfigured to a 29er format, with modern geo’s.

 @Serpentras: specialized enduro evo expert 2016. Came with a 180mm boxxer.

 @rivercitycycles:Im still riding mine! I’d love to see a modern Sunday.

 @inked-up-metalhead: well that is one bike and its 6 years old. I oblivious did not talk about old bikes.

 @Serpentras: right, so it's been a thing that some enduro bikes come with dc forks for 6 years. Just accept the hole in your knowledge rather than trying to move the goal posts.


I probably shouldn't mention goals to a German at the minute should I?

 @inked-up-metalhead: nope I don't count small and short bikes..
Nicolai would be suited better, still don't count that Geometron as well.

I guess you want to piss at Germany because football? Football is one of the most things that is absolutely unnessesary at this rate. It's good that Germany is out. Twats on the streets make me sick.

 @2-1RacingUK: They did, its the atherton bike.... uses a DW link

 @konascotty: the Atherton bike brand paid for the patten for using the DW link. It wasn’t solely used by ironhorse either. Other brands bought into it after the success of ironhorse happened. Anyone can use that linkage design if they buy into it (when there’s a global Patterned in place).

Atherton bikes was formed after they bought into Robotic Bikes, which was an small independent company starting up in the outskirts of the Forest of Dean, Gloucestershire.
They were based in the office complex that Dirt magazine worked out of as well.

 @2-1RacingUK: pivot phoenix 29.

 @Serpentras: Current Cannondale Moterra Neo has a 180 mm Boxxer version. (Okay it’s an ebike)

 @dhrbikes: ebikes really don't count tbh, otherwise spesh kenevo, intense tazer mx, nicolai eboxx (doubly doesn't count apparently)

 You'll never walk alone

 Maybe a whole oil slick aluminum frame can satisfy my 80's mood right now yeiya!

 Reece Wallace’ new bike looks sick!! Oi!

 Canadians are so good at custom bikes

 I thought the search and rescue bike was good, but this is amazing!

 Drooling with you all over that paint job, mate.

 @xileffelix: Reece Wallace is Scottish? Wow, does he just live in Canada then?

 @xileffelix: I think you missed the joke dude. Hahaha

 @donpinpon29: I think you meant 3D Violet

 Its a nice way to tell if something has come loose.

 @IMeasureStuff: Exactly.

 Torque stripe

www.emisupply.com/catalog/product_info.php?products_id=40457?utm_source=googprod&utm_medium=product_search&utm_campaign=google-product-search-us-en&utm_term=ITW-83318&gclid=CjwKCAjwrPCGBhALEiwAUl9X0-H_lODj3ctjSkPGlPE3JuptQ0_lzcutYmwzlJEsdn3fi_UYtxPyoRoC6swQAvD_BwE

 Common practice in lots of industries. We use them for torquing electrical systems.

 @makripper: perhaps one has never looked at a motorcycle engine or car engine mounts?

 Nail varnish does a better job than a permanent marker as it’s easier to see if the fastener has moved a small amount as the varnish cracks.

 @JKL250: Thanks for the tip!

 I'm about to go and do that to my bike right now

 Because they are Bulletproof and get results!

 Same reason they didn't jump on the "plus size" train. Wider =/= better.

 Thinner rim = more durable rim for a given weight. Wider rims may corner better, but if they don't make it to the finish line then its all for nothing.

 471 more compliance/less stiff than 511 which with the higher pressures pro's run helps tracking.
Equally at lower pressures creating more tyre roll the 511 becomes to better rim.

 Existing tires don't have enough tread wrap.

 Am i the only one laughing about how there are 5 different answers to this?

 @Civicowner: not in the slightest.

 You should not use pro racers as a reference for anything. They a) haven't tested everything b) can't run anything they want due to certain sponsor restrictions and finally b) they're a rather conservative bunch. Once they find a setup they like they're unlikely to change it.

 @SintraFreeride: Also they are 10x faster and harder on bike components that the rest of us.

 I’d call it similar to professional ski racers versus the recreational skier. Ski racers run some of the stiffest skis imaginable at widths much narrower than a standard all mountain ski. These characteristics facilitate higher speeds and greater cornering control at those speeds, but they only work under the best athletes in very specific conditions. A race wheel is quite similar, it will require more input and lean angle to engage traction but in the right hands would far exceed what most will get out of a wider, more forgiving setup. Being able to feel the terrain is also more important to a racer than having the pillowy ride wider tires and rims yield. As speed goes up, width (generally) goes down.

 And that old school rear linkage is looks like it was from 2010.

 Yea, looks good, but far from Shimano's IceTech. Also look at the rotor's surface, where the pads are touching it. It's just a misaligned brake, or they didn't use the proper adapter?

 @atiboa: Ever heard of bedding in new pads/ discs?

 You know those rotors that are, like, double rotors?

 Look like Avid's (sram) very first generation of rotors to anyone else?

 It might be for torquing top caps. Unless you have the grip strength of the hulk you won't have much chance of getting them done up properly without clamping the stanchion.

 @waffleShirt: I think you're right. The tool looks like a modified RockShox BoXXer C1 Flat Upper Crown.

 @Rodeodave: Makes sense. I knew it was a piece of the upper crown but I wasn't thinking of what it would be used for. I'm used to working on my forks and tightening my top caps while the fork is on my bike. I'm forgetting that these SRAM and Fox pits just get all the forks dropped off.

 here you go:https://www.instagram.com/p/CFKtN1NH4LB/?utm_source=ig_web_copy_link

 @KnutBuengen: maybe it's a standard X01 AXS with a X01 DH cage?

 There was a Forbidden Dreadnought dh-build posted, think on Instagram, that had an axs derailleur with a short cage. But think it was a regular XO1 just with a short cage, taken from a regular dh-derailleur.

 I'm fairly certain the bike in the link is a standard xo1 axs derailleur with a dh cage on it.

Looks cool but the setup doesn't really make any performance gains imo. Cassette has 11 speed spacing which means that the derailleur won't line up with it perfectly. It will still totally shift, just not as well. Main reason to go to axs imo is the better shift quality and this likely cancels it out or even makes it worse than the cable actuated. This setup also adds weight since the parallelogram is larger for 12 speed. Even worse it is all unsprung weight (the worst) on a dh bike (where it matters the most). Bigger problem is the limit screws. Since it isn't cable where you can just limit out the top and have no problems axs doesn't know and will still try and shift. I'd be concerned about burning out the motor or snapping the derailleur if you accidentally think you have one more gear.

 @hmstuna: I think SRAM can give them a custom DH firmware with 7 speed (or whatever they want) that’s not rocket science.

 @dhrbikes: Oh I'm sure they can. Would likely be no problem for them to make a dh axs derailleur. They haven't so the current option of frankening a derailleur together has serious issues as stated above.

 220 Centerlines are also 2/2.1mm thick!

 That's exactly what I was just about to post! First TRP steal the Hayes bronze and now they use their tools...?

 People on the inter don't know anything

 Maybe Brake Stuff out of Germany? I think they do custom rotors

 Nobody on the internet knows, but they sure look interesting...

 @galferusa: I don't know if this denies or confirms anything but I appreciate you wading into the comments... guess we'll all have to wait eh? Are they going to fit my dominions?

 @Zaeius: that's exactly what I thought. They already have their Punch rotor with the small holes vs large cutouts. It wouldn't be too far flung to think the could fashion something looking like this pretty easily.

 Maybe MTX protos

 I stand corrected, you are right. Over on the other site they have a close up. Confirmed to be Galfer.

 @galferusa: you’re being naughty!

 @Trudeez: Intend’s owner used to work for Trickstuff (if i remember correctly). Not sure if he came up with the idea of the small holes while still at Trickstuff or not, but Brake Stuff did manufacture them as their own Punch rotors, Intend’s Aero rotors, and a Trickstuff’s prototype that was meant to become the next Dachle rotor, not sure why it didn’t happen as the idea is pretty neat: a lot more small holes make more surface of the rotor’s material open to the air for better cooling vs smaller count of bigger holes. Intend even states that this concept allows for their 203mm Aero rotor to have the same cooling as other brands’ 220/223mm rotors. I would imagine that such a rotor in 220/223 size would be nuts good - Brake Stuff have it, and now, apparently, Galfer do, too. I’m very interested to know #galferusa’s opinion on this!

 @galferusa: Was one of your design briefs for these to scare the lycra clad chamois off of roadies? Because they look savage, and I love it!

 If this design is better than the wave pattern, the current galfers must be a bad design choice considering those new ones look nothing like them.
@hitarpotar: I'm not sure the holes in this one are small enough to replicate the Brakestuff/Intend performance.

 @SickEdit: you can’t generalize like this for the current designs. This would mean that all Shimano rotors were bad, all Sram offers is bad, all Hope ones are bad. That’s just tech going forward. And the holes do look small enough to compare to Brake Stuff/Intend.

 @hitarpotar: You made a great point! Different rotor design with different performance goals and characteristics in mind. The Wave design is still phenomenal and has the results to back this up. Nothing wrong with trying something different though and we're excited to watch the racing this weekend!

 @SickEdit: we are talking marginal gains here. As others have said, this rotor is probably marginally better than the wave in specific conditions. And that’s if it’s any better at all. Two things to consider:

A: 99% of us wouldn’t be able to tell any difference between this and our personal current rotor of choice. Hell, I’d be willing to be that under most circumstances, most of the professionals wouldn’t be able to tell any difference. I’m sure at the very bleeding edge, at the very tip of the spear the riders can tell….but for the huge majority of us, nah. I wouldn’t be that worried.

2: don’t forget that many times a design update/revision/remodel or new model introduction is mostly a business/marketing decision. Their goal is to convince us that the newest greatest model is so much better than last years model and we need to rush out and spend our savings now. Its all about money!! Sounds like they have you convinced that the wave is an inferior design, worked exactly as planned.

 he is running race only springs for like 3years, same with the forks, even though maybe not for every race.

 It's not weird it's because codes aren't the most powerful DH brakes that's all.

 @SintraFreeride: Yeah they have smaller pistons that most other DH brakes. 15/16mm pistons on the codes, 16/18mm on all Shimano 4 piston brakes, and 17mm pistons on the Magura brakes.

 Shimano riders cannot run them because Shimano doesn't make bigger ones. I'm sure some of the formula, trp and trickstuff riders use a 220.

 @Whipperman I don't find it weird. Your second sentence pretty much covers the reason. Sram brakes aren't very powerful compared to others, which is why even everyday riders need their DH brakes and upsized rotors on trail bikes. I guess they are reliable though.

 No one is talking about wide rims anymore. Just like plus tires.

 That rim probably works best with a 2.4 width tire, which if I' not mistaken is the preferred tire width of the pro's because it provides more precise handling than wider tires.
For me personally, I am running 35mm rims with 2.4/2.5 WTB tires designed for that width. Me being a heavier rider, I find the added air volume useful.....and most importantly; I got a killer price on the wheels and 30mm rims weren't available.

 @Avanwin: I'm now on Light Bicycle carbon rims with 31.6 inner width and 2.4 front 2.35 rear tire and also on a different frame, so I'm not really sure what's more affecting it, but I felt a bit more sure on ex471 with 2.4-2.5 tires, but what you said makes a sense to me

 Depends really on the design of the frame - with some there might be a lack of space around the BB for such a thing. But how would a regular weekend warrior know he needs one?

 Also forgot to say: definitely not a stupid idea! The out-of-the-box thinking is the way forward - you just need to make it happen after you have the idea.

 Step 1 throw them up on pinkbike buy/sell

JK but in all seriousness, I always struggled with bleeding SRAM brakes. When the kids at the shop would bleed them I could get them running decently.

 The blocks for bleeding are too thick, you could try making them a touch thinner. Makes bent rotors more annoying though.

 with codes I get good results by closing up the bleed port on the lever and then applying pressure to the lower syringe at the same time i'm closing the lower bleed port with the bleeding edge tool. Make sure you de-gas the brake fluid by putting your finger over the end of the syringes and pulling up on the plunger to create a vacuum before you start the bleed.

 @DHhack: i agree the blocks are a touch too thick. It feels great with the stock block if you have fresh pads and rotors, but once they wear a bit, it feels like too much of a gap. I am going to sand one of mine down a bit for when my pads are worn.

 All these comments about bleeding.... The real trick is to exercise the pistons. This should be done before any bike with codes leaves the shop, but is almost never done. The pistons need to move equally at the same time. remove brake pads and give the lever a little squeeze. Then you can see which piston is retarded. Block the other 3 pistons and squeeze again forcing the slow piston to extend alone. Do not push it all the way out of its bore or you just made a big mess. Now push that piston back in with a tire lever and repeat until all the pistons are moving equally. I find a pedros tire lever works perfect for blocking 3 pistons and allowing you to target which piston extends. Do this and your contact point will move further out with a more solid lever feel.

 @b1keguy: I would always do this when I was a shop wrench. It also helps to use a q-tip with isopro to clean the sides of the pistons then relubricate them with the appropriate brake fluid. Make sure to mop up the excess. Don't want it in your pads.

 @mechaNICK: you can also use a piece of string dipped in alcohol to clean the piston. Extend the piston and sort of ‘floss’ the piston. Saw it in a video once and it works pretty well.

 @b1keguy:
Making pistons in 4pot calipers move equally is actually a good maintenance thing on all brakes. I did it on my Saints, each time i changed pads and now that i'm running the new shimano calipers i do it as well. A lot of mud and especially braking powder gets in there so cleaning the pistons and getting them moving always has a great effect on the brake performance.

 @Mocope: For sure. I didn't do this until I came across it in a tech video. A very noticeable amount if build up comes off the sides of the pistons when you clean them.

 @Austink: I saw in a recent bike check to use 2.0mm thick rotors. I think it was the rear for Troy’s bike?

 @DHhack: I was seriously going to order some of those today. I always see people recommended galfer.

 I think they also ran hand guards made of those tiles last year, a very versatile product, no pun intended.

 Some months ago DT Swiss acknowledged this issue: www.dtswiss.com/en/ratchet-exp-maintenance-notice

For more specific details you could check what Cyclingtips wrote about it:
cyclingtips.com/2021/05/dt-swiss-acknowledges-ratchet-exp-hub-problems-in-new-service-bulletin

Also, you could always roam the german bike forums or mtbr, no guarantees included.

 @Segu: gracias viejo ojala le ganemos a brasil el viernes

 While I agree, I'm not going to fault someone, even a pro, using the tool they used first. Muscle memory is a hard thing to overcome. The only part of that photo I find hard to digest is that that mechanic hasn't inlayed the scale markings with white paint so that the damn thing is actually f-ing readable.

 if it gives repeatable results (which it does) it´s good enough I guess.

 well you wouldn't believe that there are big brands out there using these tools on a daily basis and you wouldn't know the difference