![Shimano SM-BB52 Deore Outboard Bearing Bottom Bracket Set, English Thread, 83 mm](http://senacrecycles.co.uk/cdn/shop/products/bb51b_ca8e0e5d-e2a4-46da-9df0-eed64f554610.jpg?v=1703354345&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 83 mm shells
- Durable anodised finish
- Easy installation