sram axs etap FD skew when tightened

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tomato
Posts: 729
Joined: Mon Jul 01, 2019 8:37 pm

by tomato

DaveS wrote:
Sun Dec 05, 2021 5:03 pm
The pictures only prove that the FD mount on that frame allows the FD to be raised higher than some brands. It's not like there's a standard that all frames are made to. The sram FDs must also allow a 46T small ring.

Not every frame will allow that height.
By that logic, you can state that SRAM, Shimano, and Campy deraillers are all incompatible with 52-tooth chainrings if you find one bike that has a derailleur mount that is too low for any of those derailleurs to work.

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DaveS
Posts: 3922
Joined: Fri Mar 24, 2006 1:26 pm
Location: Loveland Colorado

by DaveS

Sram axs FDs are specifically made to be used with 46-50T chain rings. If they weren't, there would be many bikes that wouldn't allow the FD to go low enough. The mounting threads are placed higher than normal. Sram now offers a special FD with two mounting positions to handle larger 54/41 chain rings, that they sell.

All I've said is that some bikes might not have the extra 4mm of travel needed to use a 52. For all practical purposes, you'll have an 11 speed bike with 52 or 54t big rings.

https://cyclingtips.com/2020/01/bigger- ... l-reasons/

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