TRP, BB Spacer Kit, Bottom Bracket Adaptors, 30mm, ABOT001139

Genuine TRP factory replacement parts for the BB-M8010 threaded bottom bracket (BSA, M8000 series). This spacer and adaptor kit lets you fine-tune bottom bracket width to properly fit a 30mm-spindle crankset, keeping chainline correct and bearings running smoothly. A simple, affordable way to service your drivetrain.