The Hollowtech bottom bracket cups for Shimano cranksets with integrated axle offers better sealing performance than the precursor version SM-BB51. The seal design provides smooth rotation and longer durability.
Set includes left and right hand cups, spacers, inner cover, and inner O-rings
Sealed cups keep out dirt and water
Compatible with 68mm and 73mm Bottom Bracket Shells
Durable Silver anodised finish
More Items to Consider
This product has restrictions around online purchase. Please use the View full product details link below for additional information.