Shimano SM-BB71-41b Road Press Fit Bottom Bracket 41x86.5mm

Shimano SM-BB71-41b Road Press Fit Bottom Bracket 41x86.5mm

• 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

Complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks. With reliable Shimano bearings and seals, the Shimano SM-BB71-41b bottom bracket has a long service life.

The cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage.

The bottom bracket is compatible with press fit road frames that have a shell width of 86.5mm and a shell diameter of 41mm, this is referred to as the BB86 bottom bracket standard.