Shimano Press Fit BB for Road (SM-BB71-41B)
High-quality Pressfit bottom bracket cups at Ultegra-level.
The new bottom bracket design features low overall weight, low Q-factor and increased heel clearance. Easy to install, increased durability because of the larger bearing size. Pressfit 86 bottom bracket cups can be used with specific frames (bottom bracket size 86,5x41mm) for this new oversize BB standard only. All Shimano Hollowtech-II road cranksets with integrated 24mm spindle are compatible with this 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