Shimano Dura-Ace BB-R9100 Press fit bottom bracket

Description

Shimano Dura-Ace BB-R9100 Press fit bottom bracket

• Complete 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 86.5 mm shells 41 mm cup diameter
• Easy press-fit installation