shimming a front mech

[Hilts]

Problem - diameter of band is too big for frame..

Solution - shim, but is there an accepted way of doing this without making it look like a dogs dinner.

 

[JustKev]

Some modern mech come in one size with shims - ask your LBS if they any spares in the workshop?

 

[Bike Hoarder]

Make sure you get the plastic cages, that hold the shims in place, for that professional look :!:

 

[pete_mcc]

As always, SJS is your friend (admittedly your cheap friend who never brings his wallet with him to the pub and expects you to pay halves on a meal despite the fact that he drank a whole bottle of wine and had a starter and a pudding even though you only had a main, and that was the cheap pasta option)

http://www.sjscycles.co.uk/product-...to-34.9-black-plastic--For-Bikebuild-6447.htm

Otherwise LBS parts bin for SRAM or shimano spares

 

[Agency_Scum]

To avoid @rsing up the paintwork you'll need a medium-sized indelible marker, narrow upvc tape ( or a strip cut in half lengthways ) and an alcohol swab ( like in a first aid kit ). Screw in the inner cage-adjusting-screw until the parallelogram cage is out as far as possible. With the chain off, set the mech up for the required height ( about 2-3mm above the outer chainring-hence pushing out the cage with the adjuster screw ). Mark it off above an below the screw-on band on the seat tube. Fix on the shims with a lttle of the narrow tape. Put yer mech on and unscrew the adjuster screw back to it's normal position. Clean off the markers with the swab. Done.

 

[orange71]

I use a strip of rubber rim tape cut to size and shape

 

[Dhphat]

a neatly trimmed beer can!

 

[cchris2lou]

cut a bit in a puncture tube , wont damage the frame .