Upgrade your bottom bracket to ROTOR's PF4129 for better efficiency in your SRAM® DUB® crankset. Eliminate excessive noise and creaks with high quality steel bearings.
Weight: 80.5 g
Material: Steel bearings
Bearings: 2 row of balls in each cup
Spacers included: 2x 0.5 mm | 3x 1 mm | 4x 2,5 mm
Cranks compatible: SRAM® DUB® compatible
Frames compatible: BB86 | BB89 | BB92