RogueMechanic Shim Kit for Campagnolo Ultra-Torque Bottom Brackets- English

This is the RogueMechanic Shim Kit made to solve the problem of axial movement in Campagnolo Ultra-Torque bottom bracket systems.  This movement sometimes manifests into noise in the form of clicking and/or knocking.  This side-to-side movement also accelerates the wear of components.  This shim kit is machined here in the Cleveland area from high-quality, US-made 18-8 stainless steel with the help of my father-in-law.  The shim kit has a total of eight shims (four different thicknesses) so that you can precisely dial in the correct stack height.   

This set of shims is specifically made for BSA/English threaded bottom brackets.

Here's a video explaining the installation process.

Customer Reviews

Based on 13 reviews
Lance Littlefield (Little Compton, US)
On all my bikes.

These shim kits just work.BB preload for the UT Chainsets was the only thing in the Group that bothered me. RM has solved it for me. Really not that hard to get installation spot on. I know spin tests are supposed to mean nothing but man it’s nice to see. No creaking after thousands of miles. I have 4 bikes and they all run the shims,

James Joerger (Dallas, US)
Good product but not workable for my bike

Thanks for your help and advice but unfortunately the BB is wired and couldn’t get the shims to help with fitting

Ultraviolet (Manama, BH)
Worked beautifully!

I was really struggling with the Campagnolo 12s UT crankset on my frame. It wouldn't spin as freely as my other Shimano drivetrains and I honestly tried everything. The shims worked a treat, and your YT video about experimenting with different sized shims worked perfectly. Its spinning freely and there's no lateral play. Thanks so much for helping me solve this issue.

Dave Wieand (Bethlehem, US)
Works as advertised!

I will not hesitate to recommend this fix to my Campy friends.It does exactly what it says it will do by eliminating the WW. The only difference I discovered is that works better on the DS cup, after all that's the side the WW is on. I tried it the way the video suggests and it puts the crank too close to the chain stay.

Paul Greenberg (Westport, US)
Fixes Campy's Poor BB Design

Yes, it takes a bit more effort than just screwing everything together, but is it well worth it. Nice set of shims and good instructions.