Rotor

PF4624 MTB (Pressfit 30) to 24mm Ceramic Bottom Bracket

Rotor's PF4624 bridges 24mm spindle cranks to PF30 frames with hybrid ceramic bearings—steel races and ceramic balls for lower friction and reduced wear. Machined 7075-T6 aluminum cups, anodized red, press directly into the 46mm shell. Straightforward installa