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As someone who does all his own servicing, I appreciate that SRAM/RS have PDF instructions with photos of all the install/service. That way I can print them out at work, and refer to them while doing the install/service. It's way more convenient than trying to constantly rewind a video with greasy fingers, as you refer to. Plus you can jot notes on the page like damper settings when working on suspension.

Last year, for one of my engineering classes I did a simulation in Ansys titled “The influence of the axle diameter on the torsional stiffness in an USD bicycle fork”. It was an exercise more focused on Ansys, not on being scientific, but still the results were interesting. Here’s a link to the presentation . TLDR: 20mm was only 4% stiffer

Well, turns out the manufacturer of such shiny products, happens to be engineers themselves, and after testing and comparisons came to the conclusion that, with their design, the difference in stiffness between the 15 and 20 was only 4% a % that can easily be offset with the right choice of hub rather than something random like most people run ( see Yeti and their podium builds with dt 350 ) After riding the Edge with the 15mm axle and i9 hydra 2 front hub, I came to the conclusion that I don’t need a 20mm axle and the pain...

Not at all. I think anyone paying attention expects he could win several this year.

Am I the only one thinking Kiefer has a big win coming soon?

Meanwhile in France... Millau regional DH 1: Henri Kiefer 2: Till Alran 3: Loris Vergier 4: Max Alran 5: Loïc Martin 1: Lisa Bouladou 2: Marine Cabirou 3: Myriam Nicole 4: Vicky Clavel 5: Siel Van Der Velden Please watch out for crossing animals... The bike/deer certain death moment has been removed

Magenwirth Bad Urach

and i believe Intend, i rode the 20mm on the Podium, 2.75kg fork, and my new Intend edge with a 15mm axle, none feel flexy at all under any circumstance, if something, the edge feels stiffer and smoother under braking and corners, while being 2.25kg, half a kg lighter or a pound in freedom unit

I ve got a hope front hub with the 2 different adaptators for 20*110 and 15*110 , you just have to take off the circlips , put the other adaptators and put on the circlips again. Cornelius ( from Intend) tell me that there is no significant rigidity difference beween the two axle