Kit contains: Main motor bearing, left-hand and right-hand crankshaft bearings, both crankshaft O-rings, sprocket carrier O-ring (if required) and both outer 2mm thick circlips.

 

Don’t forget to order genuine Bosch drive unit grease, MudStop and right hand crankshaft seal separately if required.

 

Fits Bosch Gen 2 Active Line, Performance Line and Performance Line CX motors

Bosch Generation 2 motor BDU2xx (NOTE: Small chainring).