PF30-73a Ceramic Bottom Bracket for Shimano cranks is designed to power every kilometer you ride. It is engineered for cyclist who demand the best in performance and durability. Thanks to our Dual Cup Technology (DC Tech) and our top quality ceramic bearings, you will experience the smoothest of rides, no matter how rough the road gets.

Assembly instructions and spacer list: Click here

Note: This bottom bracket is only compatible with road frames.