Shimano SM-BB71 Road Press Fit Bottom Bracket w/ Inner Cover - 86.5mm Shell

• Complete Ultegra level 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
• Compatible with 86.5 mm shells
• 41 mm cup diameter
• Easy press-fit installation
• BB7141B