Compatible with BB86 Press fit (41mm)system frames. BB86 for road bikes and BB89 & BB92 for MTB standards. Weight 65gmsBlack only
PRESS FIT (STEEL)
Rotor's Press Fit bottom bracket bearings are compatible with all BB90 Press-Fit system frames that are manufactured to Shimano specifications. The new, advanced non-contact labirynth seals yield a buttery-smooth spin with unparalleled protection against dust, water and mud. Ultra rigid plastic caps give high compression and deformation resistance, facilitating crisp shifting. Available with steel or ceramic bearings. Constructed of CNC machined 7075 aluminum.