Hope pf41 press fit bottom bracket the hope pf41 press fit stainless bottom bracket and is to fit bb92 bb89 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 specific