CERAMICSPEED BBright 30mm

This Bottom Bracket is for BBright frames with 46mm frame diameter, 68mm frame with and a total with of 79mm when the BB is installed, this BB is for a 30mm spindle  

 This bottom bracket features nearly zero loss of power due to friction, thanks to the bearings. The bearings have super round, super smooth CeramicSpeed balls rolling on hardened-steel races. The Coated version has a metallic coating laid onto the races, making them even harder and smoother, resulting in longer life and lower drag. They come installed in cups.