Wheels Manufacturing Derailleur Shim

Description

Derailleur shims for adapting front derailleur clamps to a different sized frame seat tube. Derailleur = the size of the clamp on the front derailleur you have Frame = the size of the seat tube the derailleur plus shim will fit Wheels Manufacturing Shim for 1-1/8″ Derailleur on 1″ Seat Tube Front Derailleur Clamp: 25.4 (1″) , 28.6 (1-1/8″) Wheels Manufacturing Shim for 1-1/4″ Derailleur on 1-1/8″ Seat Tube Front Derailleur Clamp: 28.6 (1-1/8″) , 31.8 (1-1/4″)