- Genuine Shimano HollowTech II bottom bracket assembly
- Set includes left and right hand cups, spacers, inner cover, and inner O-rings
- Light weight seal structure helps to remove vital grams
- Sealed cups keep out dirt and water
- Maintenance free
- Compatible with 68 mm and 73 mm shell
- Durable anodised finish
- Easy installation with TL-FC25 tool
- Bottom Brackets
- BB-MT801 bottom bracket cups, English thread cups, 68 / 73 mm
- Genuine Shimano HollowTech II bottom bracket assembly
- Set includes left and right hand cups, spacers, inner cover, and inner O-rings
- Light weight seal structure helps to remove vital grams
- Sealed cups keep out dirt and water
- Maintenance free
- Compatible with 68 mm and 73 mm shell
- Durable anodised finish
- Easy installation with TL-FC25 tool