Wheels Manufacturing Wheels Manufacturing Shim for 1-1/4" Derailleur on 1-1/8" Seat Tube
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Details
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