Race Face PF30 24mm Bottom Bracket Description: This Race Face PF30 24mm Bottom Bracket is designed to go unnoticed. This bottom bracket is hassle-free, durable as they come, and built for season after season of rowdy riding. Features: PF30 bottom bracket with lasting alloy cup design Press-fit bearing cups work like an external type headset Positions the bearings externally with the same wide spacing as threaded external mountain bottom brackets Precision CNC-machined and anodized aluminum alloy cups Press-fit interfaces are accurate, durable, and stable Serviceable bearing design Specifications: Spindle Interface: RaceFace EXI, Shimano Hollowtech II, FSA MegaExo BB Shell Width Compatibility: 73mm, 68mm Bottom Bracket Shell I.D. (Inner Diameter): 46mm Bottom Bracket/Frame Interface: PF30 Weight: 130g