Shimano SM-BB71 Bottom Bracket Press-Fit MTB 41A

Shimano SM-BB71 bottom bracket is a complete press-fit bottom bracket assembly kit, installation is easy. As with maintenance, it is a thing of the past with sealed cups keeping out dirt and water maintaining a long lasting, smooth running mechanism. Fibre reinforced polymer cups reduce risk of frame noise or damage to your frame.

• Compatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells 41 mm cup diameter
• Complete press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks