Description

Shimano BB91-41A Press Fit Bottom Bracket

Complete pressfit bottom bracket assembly for Shimano HollowTech II MTB chainset featuring cups made from fibre reinforced polymer material that reduces the risk of frame noise and damage.

• Set includes left and right hand cups, 2.5mm spacer, inner cover, and inner O-rings
• Sealed cups keep out dirt and water
• Maintenance free
• Compatible with 89.5mm (with 2.5mm spacer) and 92mm shells
• 41mm cup diameter
• Easy press-fit installation

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