CeramicSpeed T47A Shimano Bottom Bracket - Black wellgo A seamless shaped collar provides

A seamless shaped collar provides the ultimate ergonomic fit and best grip in the race position

carbon construction

battery indicator

suitable for wheel sizes from 5" to 29"

Combination:11-13-15-17-19-21-23-25-27-30-34T

CeramicSpeed T47A Shimano Bottom Bracket - Black wellgo A seamless shaped collar providesFeatures T47a is a threaded bottom bracket shell design, utilizing the oversized interface of BB right, but with the benefit and peace of mind of a threaded interface. Compatible frames feature an asymmetrical 77mm shell width, placing the non drive side bearing within the frame, and the drive side bearing externally. Equipped with precision dust covers for a snug & secure fit that also fully protects the face of the bearing delivers exceptional