The Hope Standard Fat Bike Bottom Bracket is the ideal unit for using with Shimano, Race Face, FSA and others. The custom, Swiss made bearings on this Hope bottom bracket are double sealed, fully serviceable and removable which give much greater life span than stock units. The bearings are made by INA and have been designed to run directly on the crankset axle, without the use of shims or spacers - again increasing life and reliability. Hope Standard Fat Bike Stainless Bottom Bracket Features External bottom bracket designed for threaded bottom brackets The machined aluminium cups hold stainless steel cartridge bearings in stainless races High quality stainless steel bearings give a much greater life span than stock units Cartridge bearings are replaceable The unit is suitable for 68, 73, 83, 100 and 120mm width bottom brackets Designed to suit cranks with 30mm axles Please note specific Park fitting tool (available separately) is needed to fit bottom bracket  Hope Standard Fat Bike Stainless Bottom Bracket Specification Available with replaceable stainless  bearings for less friction and greater durability Designed to suit cranks with  30mm axles Suitable for road, mtb, DH and fatbikes Free running labyryinth seal protects bearings and has less drag Available in: black, silver, gunsmoke, red, blue, purple and orange Weight 102g