Shimano Check Detail SM-BB71 83MM Bottom Bracket Press-fit MTB

Made to withstand the intensity of downhill riding, the Shimano Saint SM-BB71 bottom bracket will keep you pedaling full speed ahead as smooth and efficiently as possible. With 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.