They Say: 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 Suitable for 68, 73, 83, 100 and 120mm width bottom brackets Available with replaceable stainless bearings for less friction and greater durability Suitable for road, mtb, DH and fatbikes Free running labyryinth seal protects bearings and has less drag Available in: black, silver, red, blue, purple and orange Weight 24mm: 110g*Note - Some Power Meter cranks do not offer the clearance required over the BB cup, please ensure there is clearance before fitment.
