- Genuine Shimano HollowTech II bottom bracket assembly
- Set includes left and right hand cups, spacers, inner cover, and inner O-rings
- Sealed cups keep out dirt and water
- Maintenance free
- Compatible with 68 mm and 73 mm shell
- Durable anodised finish
- Easy installation
- Bottom Brackets
- mt501 bottom bracket, english, 68/73
- Free Local Delivery is available for all new bike purchases.
- Nationwide Delivery is available for all parts, accessories and clothing.
- For details on Returns, please see our Delivery & Returns policies here.