Dustcover for Specialized 8mm Bars The BBright bottom bracket comes

The BBright bottom bracket comes with either CeramicSpeed Standard or Coated Bearings installed

1 x 61803 bearing

and each tooth

The BB30 bottom bracket allows you to pair 30mm spindle cranks to 42mm inner diameter bottom bracket shells

The first choice is our low drag

Dustcover for Specialized 8mm Bars The BBright bottom bracket comesDustcover for Specialized 8mm. is made from thin lightweight aluminum, the dustcover is machined to to the most protective of the headset bearings and be as light as possible. CeramicSpeed headset dustcovers are specially made for a specific frame and headset bearing to make the best fit for both bearing and frame.