Wheels Manufacturing Shim for 1-1/4" Derailleur on 1-1/8" Seat Tube ModelNumber=D1693 Crank Set - 52T with

Crank Set - 52T with dual-sided aluminum chainring guard

A heavy-duty side-sweeping kickstand located near the chain stay keeps the eBike upright

Auto trim functionality for rasp-free running

Park Tool bottom bracket tools for installation and removal of 16 notch bottom brackets

Wheels Manufacturing Shim for 1-1/4" Derailleur on 1-1/8" Seat Tube ModelNumber=D1693 Crank Set - 52T withDerailleur 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 Front Derailleur Clamp 31. 8 (1 1 4") Derailleur Size 1 1 4" Seat Tube Size 1 1 8"