Ceramic Bearing
Bearing Cups are Made of 7075 Anodized Aluminum Alloy
CNC Machined and Polished surface
Bearing with Rubber Seals
English Threaded, fit with BSA,BB68/73, BB51,BB52,BB70
Nylon Seals Outside the Bearing
Weight: 110g
Fit with many cranksets: Shimano,Raceface,Rotor& FSA (24mm Axle) ……
Accessory:3pcs of Spacers+ 1pc For Sram GXP(Crank Axle: 24mm in one side, 22mm in the other)