Rotor PF41 Steel Bottom Bracket

. 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 Labyrinth 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 aluminium. Compatible with BB86, BB89 & BB92 Press fit 41mm system frames. BB86 for road bikes and BB89 & BB92 for MTB standards Features . Steel 61gLathed, heat treated Alloy cupsLabyrinth seals prevent bearing contamination30mm Spindle for all Rotor and 30mm axle cranks24mm Spindle for all Rotor and Shimano compatible 24mm cranksBuy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.