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WhoTookIt Liked a reply to forum topic MTB Tech Rumors and Innovation
4/19/2023 7:28pm
To me the CS rep noting that there's an issue with that crank (and jumping right past failure mode/use case investigation) indicates more of a known model/batch problem than a one-off.
This forum topic has 30430 replies.
MrSafeT Liked a reply to forum topic MTB Tech Rumors and Innovation
4/19/2023 7:27pm
5Dev is wishing someone (anyone) would talk about the Fox Float X2 right now.
This forum topic has 30430 replies.
Jon_Angieri Added a reply to MTB Tech Rumors and Innovation
4/19/2023 3:24pm I’m shocked anyone is trying to justify 5Devs actions. They knew they had faulty shit cranks on the market and continued selling anyway. I see exactly where Cam is coming from. 5Dev made excuses from the get go. Pretty scary those guys produce aerospace products. I will be sure to NEVER recommend let alone purchase anything these guys put out.
sprungmass Liked a reply to forum topic MTB Tech Rumors and Innovation
4/19/2023 3:17pm
yeah not after seeing how they handle warranty matters https://www.instagram.com/p/CrKAKzXujTp Check this shop's story highlight for more context. Bring popcorn.
This forum topic has 30430 replies.
iceman2058 Liked a comment about bike check The Coffee Smuggler
4/19/2023 2:45pm
Bike of the Day April 19, 2023!
This bike check has 8 comments.
TheSuspensionLabNZ Liked a reply to forum topic Suspension Component Technology/Functionality Discussion
4/16/2023 11:24am
It's pretty confusing, I get where they were coming from but so far it mostly just messes with their heads. Also so many people just wind everything open anyway they aren't even looking at the markings. I like numbering the rebound dials though, that works well! Related to this, and your co-worker - I agree and believe it. People treat dials like they can only turn one way, and have literally had riders worried that their rebound is fully open and it still feels super slow.....because it was wound fully closed and never considered turning it the other way! Which...
This forum topic has 667 replies.
justwan naride Liked a comment about bike check ESSΔR F5 proto
4/16/2023 11:21am
Very interesting suspension system. I'd name it the "dingle pivot" 😁
This bike check has 7 comments.
TEAMROBOT Liked a reply to forum topic Most reliable enduro build
4/15/2023 7:38pm
I love this topic, and have also tried to build up my own low maintenance enduro bike. I have a bad habit of breaking stuff, and I hate missing rides or wasting money due to parts that couldn't handle heavy use. Ain't nobody got time for that. I'd echo what people said about SRAM 11-speed. Set it and forget it. I'm convinced the 1195 X-dome cassette is made of Adamantium. I was several thousand miles into an 1195 cassette that I got for $20 from a friend who'd already put several thousand miles on it, and I only took it...
This forum topic has 50 replies.
Jon_Angieri Added a comment about bike check Tikbalang mk4
4/12/2023 7:17pm
Looks like a Chainsaw 😉
Votes:
This bike check has 7 comments.
Milton 26" Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/11/2023 3:58pm
I like how these pictures illustrate that the rim flattens and the side spokes try to counteract these forces, it's metioned in the Park Tool video. However, the argument that no spoke can transfer compressive load is somewhat misleading. As shown on the tensegrity structures, what really happens is that the pre-tensioned spokes actually can bear compressive load without being subjected to compressive stress just by decreasing the preload force. Once the compressive force that a spoke carries exceeds the preload force of this same spoke, the spoke actually needs to be subjected to compressive stess to carry load, but...
This forum topic has 79 replies.
Jakub_G Liked a reply to forum topic MTB Tech Rumors and Innovation
4/11/2023 3:50am
It works great, at least on paper. Sadly, all the parts that are stacked in vvc mechanism have to be made to tighter tolerances than fox is capable of doing, so in real world the leading shim either has preload(at least in this case it has tuning range)or float(in which case high speed adjuster does next to nothing and overall damping is also very soft. If some really high end manufacturer like ext of bos came up with this mechanism I would believe they are capable of keeping the tolerances tight enough, but with fox? Forget it, only hight end...
This forum topic has 30430 replies.
ShapeThings Liked a reply to forum topic MTB Tech Rumors and Innovation
4/7/2023 8:02pm
Maybe the most absurd thing I've ever seen. I'm not against small batch, boutique parts, but anyone spending that money on something so frivilous needs to be audited and forced into buying food for the needy or something.
This forum topic has 30430 replies.
SteveClimber Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/7/2023 8:00pm
WT. Yes, I was previously runing 511's and got recommended to switch to 471's, I took some photos and measurements of the tyre shape when I swapped over, i'll try to find them, but essentially the same tyre is a bit more "round" than a 30mm rim, which I prefer, It leans into corners better and I find gives better cornering traction, but has slightly worse braking traction overall (all anecdotal without actual testing). A lot of DH racers still use 25mm rims, in particular the Specialized team, I've heard they prefer the tyre profile being rounder. I honestly think...
This forum topic has 79 replies.
TEAMROBOT Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/7/2023 7:58pm
I actually had the same thought! In my coffee cup example, I'm pushing on the top and bottom, but when you sit on a wheel, you're only applying force to the bottom of the rim. So why are spokes at the top of the rim losing tension, too? I don't know, but here's my guess- because they're diametrically opposed to the bottom spokes. I'm guessing that, as the bottom spokes lose tension on the wheel, the hub is able to ease up vertically under the relatively greater tension of the top spokes, which then reduces their absolute tension value.
This forum topic has 79 replies.
Primoz Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/7/2023 7:55pm
Regarding Bernard, I think it was said he impacted the rim beforehand and it might have had a crack. The huck to flat landing could have subjected it to a huge shock, where, like you mention, a carbon rim cracks and breaks into sections. And fails catastrophically. As for hanging off the top, it's not literally hanging off the top due to the tension in the spokes. You build up a wheel and each spoke is tensioned by a force that is high enough to hold up the majority of riders on its own (120 kg as the rim limit)...
This forum topic has 79 replies.
TEAMROBOT Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/7/2023 7:54pm
Hey Primoz, I've given this a lot of thought since I first encountered the "hub hangs from the spokes" argument, and I respectfully disagree. If the hub was only hanging from the top spokes, that would mean that the structural integrity of the bottom of the wheel would only be provided by the rim. Simply put, rims aren't that strong. You can go break an aluminum rim with your body weight by applying only radial force and bouncing on it. There's no way a rim would stand up to the radial loads of jumping and g-outs and rock gardens without...
This forum topic has 79 replies.
carlinojoevideo Liked a reply to forum topic MTB Tech Rumors and Innovation
4/7/2023 4:46am
Vorsprung Shock?
This forum topic has 30430 replies.
SteveClimber Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/5/2023 7:50pm
I highly recommend using DT Swiss revolution (2.0 - 1.5) if you're running aluminium rims, I've found theyre the best spoke for EX471's. My theory (stolen from other mechanics) is that you should be looking to harmonize the wheel as a system, there is no point having a very stim carbon rim, with thin low tension spokes and exo tyres, you have a stiff rim, and a compliant tyre and compliant spokes, meaning when stressed laterally, the spokes won't work in unison, and the tyre is just going to roll over the rim. Similarly, don't use "flexy" rims like a...
This forum topic has 79 replies.
Jon_Angieri Added a comment about press release Rossignol's Super Heretic
4/5/2023 6:05am
I think you mean trunnion
This press release has 3 comments.
Primoz Liked a reply to forum topic John Hall (Gwin's Mechanic) on Spoke Tension
4/5/2023 5:56am
Finally got around and through the topic, so yeah, late to the party. My 2 cents (haven't built a lot of wheels, haven't tested things out much, only thought some details through) and I think most of it has been covered as well. The wheel for sure hangs from the top spokes, no way around it. The spokes we use, the way they are laced, do not give a compressive support, so the bike is carried by the top spokes. What the bottom spokes do give is stability though. Spoke tension shouldn't give much of an impact on wheel stiffness...
This forum topic has 79 replies.