Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family. FEATURES: Compatible with standard threaded BSA shells Standard 6806 retainer bearings Bearings are external to the BB shell resulting in a stiffer wider stance Includes inner plastic sleeve and spacer; additional BB fitments can be accommodated with CINCH spacer kits Inner sleeve helps to protect against water Rubber seal located on the bearing's external side helps to reduce the risk of water penetration SPECS: Spindle Interface Type: RaceFace/Easton CINCH , 386 EVO , Rotor 3D+ , e*Thirteen P3 Connect , Zipp Vuma BB Shell Width (mm): 68 , 73 Bottom Bracket Shell I.D.: 1.37 BB/Frame Interface: English Weight: 87g