
Race Face PF30 Bottom Bracket: The bottom bracket allows use of all Race Face, Shimano & select FSA &216;24mm spindle mountain bike cranksets in PF30 BB Shell Frames. The Press-fit bearing cups works like an external type headset & positions the bearings externally with exactly the same wide spacing as threaded external mountain BBs. Precision CNC machined & anodized aluminum alloy cups are more accurate, durable & stable press-fit interfaces than the competitors molded plastic parts. Serviceable bearing design. Built for: XC/AM/FR/DH Weight: 130 grams Compatiblity: Fits any of the following PF30 BB Shells: PFBB30 68/73 (68, 73mm), PFBB30 83 (83mm)