![Shimano BB-MT501 Outboard Bearing Bottom Bracket Set, English Thread, 68 / 73 mm](http://senacrecycles.co.uk/cdn/shop/products/bbmt501_5ee6e9f9-4b12-4e88-b1ba-c4d1069ea8b7.jpg?v=1703354371&width=1445)
- 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