CeramicSpeed T47/86 Inboard Bottom Bracket
CeramicSpeed T47/86 Inboard Bottom Bracket, The CeramicSpeed T47/86 Inboard Bottom Bracket matches the bearing placement on the crank spindle with the frame interface required for almost any bike model. The CeramicSpeed bearings reduce drag by 75% compared to stock bottom brackets, which in turn helps us ride faster and stronger. The hardened-steel races rolling ceramic balls are smooth and built to last.