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 Shimano press fit shells. Installed using a standard bearing press tool. Includes inner plastic sleeve and spacer; additional BB fitments can be accommodated with CINCH spacer kits. Inner sleeve protects against water. Rubber seal located on the bearing's external side helps to reduce the risk of water penetration. BB Shell Width (mm): 92mm. Bottom Bracket Shell I.D.: 41 BB/Frame Interface: BB89.5 BB/Frame Interface: BB92 Weight: 69g