Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family. FEATURES: Allows the use of a CINCH 30mm spindle crankset with PF30 bottom bracket shell Standard 6806 retainer bearings Bearings are external to the BB shell resulting in a stiffer wider stance Cups are machined for a high tolerance frame fit Rubber seal located on the bearing's external side helps to reduce the risk of water penetration Installed using a standard bearing press tool SPECS: Spindle Interface Type: RaceFace/Easton CINCH , 386 EVO , Rotor 3D+ , e*Thirteen P3 Connect , Zipp Vuma Bottom Bracket Shell I.D.: 46 BB Shell Width (mm): 68 , 73 BB/Frame Interface: PF30 Weight: 106