Key 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// Suitable for 68, 73, 83, 100 and 120mm width bottom brackets// Options designed to suit 24mm or 30mm crank axles// 30mm only: Please note specific fitting tool (HTT188) needed to fit bottom bracket. Available separately// 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, Smoke, Blue, Red, Purple & Orange// Weight 24mm: 110mm | 30mm: 102g// *Note - Some Power Meter cranks do not offer the clearance required over the BB cup, please ensure there is clearance before fitment.