Wheels Manufacturing Shim for 1-1/4" Derailleur on 1-1/8" Seat Tube MPFN-281-31724-K009 }SRAM GX Rear Derailleur -

}SRAM GX Rear Derailleur - 11 Speed Long Cage Black 2x With Clutch

0 Length 286 Defined Color Silver Spoke Interface J-Bend

Includes one blade and accepts any 12" (300mm) hacksaw blade

}Wheels Manufacturing 5/32" x 16 Headset Bearing Retainer: Bag of 10 Fits many 1" Imported headsets

}Park Tool HCW-17 Fixed Gear Lockring Wrench

Wheels Manufacturing Shim for 1-1/4" Derailleur on 1-1/8" Seat Tube MPFN-281-31724-K009 }SRAM GX Rear Derailleur -Wheels Manufacturing Shim for 1 1 4" Derailleur on 1 1 8" 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 28. 6 (1 1 8") Front Derailleur Clamp 31. 8 (1 1 4")