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If you asked Pivot it would be 435

I need a high pivot CVT. What should my chainstay length be?

As long as this is now an "innovation of CVTs for bikes" thread, I think it's key to point out that the conventional 1x12 drive train is roughly constant efficiency in all gears, slight worse for cross-chaining, and slight worse for smaller cogs due to increased internal friction in the chain links bending around small cogs. There's data for this kind of thing online. When we are talking about gearboxes with and without CVTs, we still have to pay most of the efficiency loss that a conventional drivetrain sees, since we still need a belt or chain to reach from...

I believe the new Saint group will be like how modern pickups are in the USA. Waiting for a truck company to make a durable, usable, no bullshit build. It shows up but they did something so stupid in design that no one wants it, then we just go back to the older models anyways.

If you zoom on your phone you can see the boost bro tread pretty decent. Modified and rotated center knobs on a 2-2-2 pattern and the side knobs are very consistent similar to a reshaped assegai. I’m Thinking edge like a minion rolled over but with way less transition space so most riders don’t get as scared from the “wow I’m still not grabbing” long as hell to engage float - less float before hooking into that wonderful edge. Should be a really fun and probably significantly faster than assegai, but still have that heavy DHF leant over hold.

Looks like that rider is also running the unreleased Maxxis DHX tire too.

Nothing we haven’t seen at world cups, but proto saint is popping up on test bikes in Whistler

I love that chris Canfield is dropping weird bikes all the time now . Titanium DH bikes with gearboxes ? I’m Here for it.

Gobao seem further on that Avinox when it comes to the eCVT and from Eurobike interview they were looking at an early 2027 release to the market. On another forum it was said that they do have established brand(s) on board for that window also. Given that Gobao already supply white label drive systems to Aventon and Hepha it's not beyond possibility one of those brands on board could be Specialized. As soon as Yamaha purchased Brose I always thought Specialized would move away from that partnership ASAP.

Little insight I got. July release for yeti Avinox cvt system is not 100% and far out from coming to the market. Apparently issues with the system auto shifting down when rider puts high watts combine with motor. Sounds like System protecting itself. Not sure if this is just a software or the system not being able to handle it. We’ll see. Some high ups in specialized are not happy. A nasty email sent to engineers/ product developers to step it up and motor/gearbox combo bike priority 1 Specialized has an unreleased bike the industry will get to see at...

Riders' goals matter, this is where racing and daily riding for nine-to-fivers diverge. Enduro and DH racers want the fastest speed going down, recreational riders are looking for the best compromise to reduce suffering on the way up. The people I ride with only care about speed when climbing . For descending we want confidence and predictability. Confidence = speed for us. The tire that is fastest descending changes 150 times a year based on the specific trail and the amount of moisture (or complete lack thereof). My ideal tires for a weekday lunch ride on Galbraith flowy stuff are...

It depends on what question you are looking to answer. Race sim will tell you which tire you are faster on. If you want to know about rolling speed of radial Mary vs standard Mary for instance then Chung method can get you some numbers, but it's very difficult to do, especially offroad. Chung method assumes you are accurately repeating, so basically you can't use the brakes and things like that. The Golden cheetah software does have a tool to help with analysis though. The simplest way to compare rolling speed is with a section of trail with a U...

I could give this a go, would back to back race sim laps be enough to provide accurate results? At least in a way that it is consistently one way or the other?

Dario from PB was riding one at Sun Peaks July 2/3 (think they were doing a field test, saw Matt Beer and Jesse Melamed aswell). He just grinned at the question of how to compares to the old one. Dunno if was anything but I also saw a Banshee DH bike at Silverstar two days later with a bunch of telemetry related stuff on the rear of the bike, not keen enough to have noticed if it was a revised Legend or if it pertained to the rear shock (didn't recognize it)

Let me say more clearly what was implied in my previous post: those old road bike rolling resistance tests tell me that our own internal rolling resistance gauges in our brains are not very trustworthy. I'm not convinced that radial tires roll slower because the only evidence we have is that they feel like they roll slower. 21mm tires pumped up to 120 psi feel fast as hell on asphalt. As you go faster, you get more and more vibration feedback from the tire, giving the sensation of greater and greater speed. A 32mm tubeless GP5000 pumped up to 60...

It wont this year. They made the mistake of designing it without a gearbox. Scrapping the whole lower half of the bike.

Slow clap. Part of the reason why road bikes came with 19-23mm tires pumped up to 120+ psi is because they felt faster than bigger or softer tires, and because of flawed test methodology (testing tires on smooth steel drums in a lab vs. testing on real asphalt). I've heard a lot of people in the tire forum say that radials roll slower, and they certainly might. But until I see actual test results using a methodology that makes sense, I'm going to assume that no one knows the answer to that question.

Nike’s final pullout from snowboarding is even more crazy because the program was making money (very decent money by most standards, like several million a year) but the actual ROI percentage wasn’t enough for the main corporate bean counters so they just cut it all off one day. I wouldn’t be surprised if Nike already had some plans on MTB with the relaunch of ACG this past winter. However, we’ve seen that come an go at least once before.

But, but, but... To do that you have to stand up to climb, which apparently is too hard for people to do nowadays.