Shimano SM-BB71 MTB PressFit Bottom Bracket with Inner Cover - for 92 or 89.5mm

- Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks.
- Cups are made from fibre reinforced polymer material which reduces the risk of frame noise & damage.
- Set includes left & right hand cups, 2.5mm spacer, inner cover & inner O-rings.
- Sealed cups keep out dirt & water.
- Maintenance free.
- Compatible with 89.5mm (with 2.5mm spacer) & 92mm shells.
- 41mm cup diameter.
- Easy press-fit installation.