Race Face Pf30 73 24 External Seal Bottom Bracket

Allows use of all Race Face, Shimano and select FSA 24mm spindle MTN cranksets in PF30 BB Shell Frames. Press-fit bearing cups works like an external type headset with the positions of the bearings externally with exactly the same wide spacing as threaded external mountain BB's. Precision CNC machined and anodized aluminium alloy cups: More accurate, durable and stable press-fit interfaces than the competitors' moulded plastic parts. With a serviceable bearing design.