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Dirtyburger Added a reply to Shimano Drops New 2.2mm Thick Rotors in 200/220mm Sizes - Thoughts?
8/11/2026 2:01am That’s the impression I got, too soft an alloy rather than stamping==bad. Personally I couldn’t care less if the discs are true and if I can use the pads I want. Also, not that we do it much anymore, the rounded edge makes dropping the wheel in a little easier. For some reason I thought that laser cut brake discs...
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Dirtyburger Added a reply to 2026 MTB Tech Rumors and Innovation - Longer and Slacker
8/11/2026 1:50am Bro, how much additional unsprung mass (AUM) you runnin’? Life starts at +5kgs. What is tweaking sprung/unsprung mass ratio really achieving that could not be done with the traditional suspension parameters. An over sprung and under damped system? Static and/or dynamic friction? I get that heavier bikes -> greater inertia -> harder to knock around off line. Is it as...
bnsleit Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
8/11/2026 1:39am
There won't be any littering because anyone that drops a weight by accident will INSTANTLY notice the change in suspension performance
This forum topic has 5796 replies.
Dirtyburger Added a reply to I Spent a Week in Whistler with nothing but my thoughts, here are my hot takes.
8/5/2026 11:28am Go checkout Maydena and Derby. You don’t get chair lifts, but the trails are world class.
ahleic09 Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
8/3/2026 2:37pm
All this gearbox talk has me thinking about all the ones that didn’t take off ~Graduation (Friends forever) by Vitamin C plays ~ I also wonder what a new look at either setup could yield
This forum topic has 5796 replies.
TEAMROBOT Liked a reply to forum topic Maxxis’ New Minion DHX Tire and DH Casing - Thoughts and Discussion
7/30/2026 12:37am
Believe it or not, the DHR2 has been the fastest rolling Maxxis DH tire for a long time, faster than the DHF, Assegai, HR2, HR3, Shorty, everything. That's why Greg ran DHR2's front and rear (2.3 EXO casing, I think?) on his World Champs bike in Pietermaritzburg in 2013. It was a gamble to run such thin tires on the DH track, and he famously hit a rock and got a leak on the rear tire in his race run, such that it was completely flat within a minute of crossing the finish line. That was 13 years ago, so...
This forum topic has 39 replies.
sudochuckwalla Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/30/2026 12:12am
This bit is hilarious to me
This forum topic has 5796 replies.
Dirtyburger Added a comment about bike check Vulcain Magma DH
7/28/2026 5:59am
This and the Volvo ❤️
Votes:
This bike check has 8 comments.
Lantern Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/28/2026 5:55am
For some years now I've run a strip of Velox rim tape to cover the spoke holes and then tubeless tape over the top. Saved me from having to ride a flat all the way down a few times. I use 16mm Velox iirc on my Reserve 30 and 31|DH.
This forum topic has 5796 replies.
Dirtyburger Added a reply to 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/28/2026 5:55am I have an irrational affection for Velox tape. I use it for every tubed wheel I’ve used. Never thought to use it for spoke poke protection!
boozed Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/25/2026 3:07am
CVTs can simulate fixed ratios so that might end up being a control choice, although I don't know how the "feel" of it would differ given the unique power inputs in a bicycle application
This forum topic has 5796 replies.
Dirtyburger Added a reply to 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/25/2026 3:07am I’m pretty sure that discrete gear ratios can be programmed in. I suppose it would probably be the only way experienced MTB riders would be able to safely ride them on trails without significantly relearning how to ride.
Dirtyburger Added a reply to 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/16/2026 10:18pm Maybe if I can get into an internet argument with you about gearing I could get a very nice guided ride out of it 
Primoz Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/16/2026 10:15pm
Except Sram's 11 SPD is 42t max and comparing granny gears you have to take wheel roll out into account as well as a larger wheel is effectively a harder gear. A 30t on a 29er is about the same as a 32t on a 27,5 and a 34t on a 26 inch bike. I also said if your terrain supports it, there are places where it makes more sense to have a 28t in the front with a 52t in the back on a 29er than a 30t. Double so if you're thinking about going 165 mm or shorter...
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boozed Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/10/2026 12:03am
How many of those DH teams do you think would be running gearboxes right now if there wasn't a €100k carrot being dangled before them?
This forum topic has 5796 replies.
jasbushey Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/10/2026 12:03am
I need a high pivot CVT. What should my chainstay length be?
This forum topic has 5796 replies.
Slonschtor Liked a reply to forum topic Why do you CARE so MUCH about new bikes geo?
7/9/2026 10:44pm
There are quite a few bikes where apparently ST could be just “kept straight” after all the pivot points down to the bb area, so I find your points reasonable but not absolute
To me it still seems as “form over function” approach, unless I’m missing some subtle technical details (which is actually very much possible)
To me it still seems as “form over function” approach, unless I’m missing some subtle technical details (which is actually very much possible)
This forum topic has 43 replies.
Dirtyburger Added a reply to Why do you CARE so MUCH about new bikes geo?
7/9/2026 10:43pm Sure I agree it can be done, but it would have been a conscious choice and other design parameters may have been deprioritised as a result. Your original post asked “why don’t ALL bikes [without a shock tunnel]”. Another example is that in the case of rad-XC bikes like the epic, water bottle space would win over a slightly longer...
Dirtyburger Added a reply to 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/6/2026 9:55am Gearboxes, the “fusion energy” of MTB.
Uncle Cliffy Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker
7/5/2026 2:19pm
Bike industry surprises everyone with new tech. Forum discusses its innovative nature and implications. Members start complaining about the relevance. Rinse and repeat.
This forum topic has 5796 replies.