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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. Constructed of CNC machined 7075 aluminium. Adaptor cups and bearings for the installation of 24mm cranks in BB30 PF frames.