Wheels Manufacturing PressFit 30 to Shimano Thread-Together Bottom Bracket ZERO Ceramic Hybrid Bearings BLK Product Type_Disc Caliper Part Optimally tuned for an athletic

Optimally tuned for an athletic riding position

Side light ports for 180-degree visibility

ISIS is a splined interface bottom bracket/crank design used by Truvativ FSA Raceface and other brands

Engineered break-away pivot that allows the lever to break away from the pivot in the event of a crash

Wheels Manufacturing PressFit 30 to Shimano Thread-Together Bottom Bracket ZERO Ceramic Hybrid Bearings BLK Product Type_Disc Caliper Part Optimally tuned for an athleticWheels Manufacturing PressFit 30 to Shimano Thread Together Bottom Bracket with ZERO Ceramic Hybrid Bearings Black. PF30 Thread TogetherReplaceable Enduro bearings Made in the USA TECH SPECS Bottom Bracket Shell I. D. 46 BB Frame Interface PF30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 153 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace