Shimano SMBB9241B Press Fit Bottom Bracket Fitting Guide BB86 24mm CyclingCeramic bearings for Shimano Ultegra/Dura Ace cranks or Rotor Aldhu24/3d24 or Sram GXP Ceramic BB for Canyon and Scott frames Outstanding level of smoothness and durability compared with original Shimano bearings Compatible with BB86 frames and 24mm spindles (Shimano and Rotor) For Sram GXP, please choose SramThis bottom bracket is designed to interface a Shimano 24mm Hollowtech 2 Crankset (Sora, Tiagra, 105, Ultegra, Dura Ace) and Shimano Compatible (Some ROTOR and FSA) 24mm Cranksets with a bike frame that uses a BB86 Bottom Bracket (41mm Nominal Inside Diameter x 865mm wide) Hambini Bottom Bracket Overview Aerospace Tolerances for a no slop fit Shimano Dura Ace 86 5mm Press Fit Bottom Bracket Black Sm 92 41b For Sale Online Ebay Shimano dura ace bb86 bottom bracket review