Shimano Dura Ace Press Fit Bottom Bracket 86.5mm

- Complete Dura Ace Press-fit bottom bracket assembly for Shimano HollowTech II road cranks - Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage - Set includes left and right hand cups, inner cover, and inner O-rings - Sealed cups keep out dirt and water - Maintenance free - Compatible with 86.5mm shells - 41mm cup diameter - Easy press-fit installation