Origin8 TorqLite Outboard ENG Bottom Bracket 68/73mm Shimano HTII 24mm

Fits all Shimano road and mountain external bearing cranksets. CNC machined alloy cups with ceramic balls and stainless steel races. Ceramic bearings offer better corrosion resistance increased product life and lower friction. Ceramic bearings require 78% less energy to move than standard bearings. SHIMANO Equivalent SMBB-9000 / SMBB-93