Shimano FC-6600 Bottom Bracket Inner Cover & O-Rings

Shimano FC-6600 Bottom Bracket Inner Cover & O-Rings Description: The Shimano FC-6600 Bottom Bracket Inner Cover & O-Rings is a factory replacement part that fits within assorted Shimano BB86/PF41 press fit and BSA threaded bottom brackets. This inner cover supports the bottom bracket cups within the frame, and the included o-rings help prevent moisture and grime from getting into the bottom bracket's bearings. Features: Lightweight plastic inner cover provides support and protection for assorted Shimano press-fit and BSA threaded bottom bracket cups and bearings Each order will include one (1) bottom bracket inner cover and two (2) o-rings, which come pre-installed on the cover See compatibility tab for full list of compatible bottom brackets and cranksets