Shimano BB-M810 Saint HollowTech II Bottom Bracket Set - English Thread 68 / 73mm - Gold

Genuine Shimano HollowTech II bottom bracket assembly. Set includes left and right hand cups, spacers, inner cover, and inner O-rings. The length of screw thread is increased to enable the fitment of BB mount chain devices if needed. Light weight seal structure helps to remove vital grams, and the sealed cups keep out dirt and water for a simple maintenance free set up.