Wheels Manufacturing Shim for 1-1/8" Derailleur on 1" Seat Tube Brake Mount Type-Short Reach Caliper (39mm - 49mm) Polyethylene / nylon Lightweight durable

Polyethylene / nylon Lightweight durable water repellent and stain resistant

It features a compact

Dread Lock textured surface provides improved control with less effort

front/rear rear (XD) axle/spacing (mm) 12x157 Super Boost hole 32h color gold weight 291g

model React freehub type HG (8-11sp) speed 9 range 11-36 cogs 11

Wheels Manufacturing Shim for 1-1/8" Derailleur on 1" Seat Tube Brake Mount Type-Short Reach Caliper (39mm - 49mm) Polyethylene / nylon Lightweight durableWheels Manufacturing Shim for 1 1 8" Derailleur on 1" Seat Tube. 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 TECH SPECS Front Derailleur Clamp 25. 4 (1") Front Derailleur Clamp 28. 6 (1 1 8")