Complete press-fit bottom bracket assembly for Shimano® HollowTech II mountain bike cranks.
- Cups are made from fibre-reinforced polymer material to reduce frame noise and the risk of damage
- Set includes left and right hand cups, 2.5mm spacer, inner cover, and inner O-rings
- Compatible with 89.5mm (with 2.5mm spacer) and 92mm shells. 41mm cup diameter