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The machine is basically a motor that turns a shaft, which is turned in to linear up and down motion. The software runs the machine faster and faster, and measures how much force the damper is producing at every point and speed in the stroke. My machine is a CTW "rotary" type dyno with 2 HP and one of the more basic, lower power machines on the market (I think about $15,000 USD today). CTW was born out of a company called Roehrig who pioneered workshop damper testing in the early 90's - many of the older racecar and motorcycle...
This forum topic has 661 replies.

Dougal - SC Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/31/2026 8:22pm
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This forum topic has 661 replies.

Dougal - SC Liked a reply to forum topic Nerding out on Brakes shall we? Not another tech deraliment

8/31/2026 2:36am
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mfoga Liked a reply to forum topic 2026 WORLD CHAMPS - Val di Sole

8/31/2026 2:35am
Was easy to watch from Japan on Youtube.
This forum topic has 246 replies.

lawn dart Liked a reply to forum topic 2026 WORLD CHAMPS - Val di Sole

8/31/2026 2:35am
Wow, that looked like a great race to watch. Thanks UCI, for paywalling it--ya suck! Top four men within 1.5 second, all under 22 years old. Jonty coming up next year. The sport is NOT slowing down.
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mfoga Liked a reply to forum topic 2026 WORLD CHAMPS - Val di Sole

8/31/2026 2:33am
I was like so Max 😂😂
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Red Number 3 Liked a reply to forum topic 2026 WORLD CHAMPS - Val di Sole

8/31/2026 2:32am
Let's hear a few comments from our 2 new Junior World Champs.
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Dougal - SC Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/30/2026 4:09pm
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This forum topic has 661 replies.

Dougal - SC Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/30/2026 4:09pm
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Oldngrey Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/30/2026 1:51pm
"it appears that DServy was banned from MTBR following some controversial or unkind posts. [ 1 ]" The plot thickens lol, havent seen anything dickish from Dougal here, just helpful advice (dont know the past).
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Friedrich Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/30/2026 1:50pm
I hate to break it to you, but both can be true. There can both be utter fanboys of anything (big suspension, tuners, products, what have you) and designs that are objectively really poor. Designs where you have to wonder how they passed any testing. Before getting into such issues, suspension setups of less experienced riders tend to have a lot of room for improvement. I think that's due to mostly two reasons: - A heap of "tutorials" are put out by people that are at least bad at explaining and maybe even bad at understanding the concepts behind suspension...
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crooksy Liked a bike check 2012 Morewood Makulu

8/30/2026 1:46pm
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Friedrich Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/29/2026 6:59am
Oh it definitely is the same Dougal. You and I may be disagreeing about the "unkind" bit though.
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Friedrich Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/28/2026 6:29pm
That certainly is an interesting start into a post about tone policing. Out of curiosity, did you for example bother checking the Fox part list? The only listed rebound tune for Grip X is called RF (Rebound firm). Like, it's not even a secret. You do have a point here or there of course, but the way you posted is not the way you'd want the interaction coming your way I'm sure.
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sspomer Liked a reply to forum topic Tire chat (nerds only)

8/28/2026 6:27pm
DH tire torture from world champs today. the double-bouncing is pretty nuts. (instagram only for now, sorry)
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Yoda Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker

8/28/2026 6:43am
Really cool. I understood (italian is pretty good but technical stuff goes over my head) the goal is to optimize suspension performance for every phase of cornering- opening compression under braking, back to neutral/baseline while rider is neither braking nor pedaling, then stiffening compression when the crankset is under forward load to maximize forward drive. I.e. theoretically providing gains on both corner entry and exit. Proper active suspension system.
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jsray Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker

8/28/2026 6:43am
Now that is cool. RC servos are pretty quick for their intended applications. This is a way better idea than wireless brakes.
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iceman2058 Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker

8/28/2026 6:43am
My Italian is a little rusty, but it seems this was made using a servo from the RC world, connected to some kind of stroke measuring device on the brake lever blade. The idea being to change the compression settings of the shock under different types of braking events.
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beeeom Liked a reply to forum topic 2026 MTB Tech Rumors and Innovation - Longer and Slacker

8/28/2026 6:24am
Ok you dingleberries. Rather than debating the merit of which way to mullet your rotors, why not just run 220 front and back?
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TEAMROBOT Liked a reply to forum topic Suspension Component Technology/Functionality Discussion

8/28/2026 12:58am
As a matter of fact, @TheSuspensionLabNZ mentioned that a few posts ago and had some strongly worded thoughts on the matter: "Whatever you do, and before someone else suggests it do NOT wipe the grease out of the air spring - that will only make things worse." TLDR this customer's fork is too progressive already, and wiping out the grease will make the negative air spring volume even bigger and make the fork more progressive.
This forum topic has 661 replies.