Shimano BB-RS500 Road Press Fit Bottom complete press-fit assembly for Shimano HollowTech II road cranks. The 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
