Hope PF41 Press Fit Bottom BracketThe Hope PF41 Press Fit Stainless Bottom Bracket, and is to fit BB92, BB89.5 and BB86.5 internal bottom shells. This compatible with any crank with a 24mm axle, so is compatible Shimano Hollowtech II and Sram GXP and is easily serviced with replaceable sealed bearings and external labyrinth seals. If you want to upgrade your bottom bracket and come away from Shimano or Sram and have a bottom bracket that is designed and made in the UK pick the Hope PF41 Press Fit Stainless Bottom Bracket. Specification:Type: Press FitBearings: Stainless SteelAxle Compatible: 24mmBuy Hope PF41 Press Fit Bottom Bracket from Chain Reaction Cycles, the World s Largest Online Bike Store.