- 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
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