Shimano SM-BB91 Road Press Fit Bottom Bracket

Product Description

Bottom Brackets up! The Shimano SM-BB91 Road Press Fit Bottom Bracket is a top of the range complete press-fit bottom bracket assembly kit for Shimano Hollow Tech II & two piece road cranks. It comes with an inner cover for 86.5mm BB shells. Key

Features: The cups are made from a fibre reinforced polymer material which reduces the risk of frame noise or sustaining any damage to your frame while running. This set

Includes:: left & right hand cups & inner cover. Sealed cups keep out dirt & water maintaining a long lasting, smooth running, maintenance free BB which is ideal for those not wishing to get their hands dirty through maintenance. For use with a BB shell width of 86.5mm on road bikes. Designed for a 41 mm cup diameter. A press-fit installation system allows for hassle free easy installation. You may wish to contact the bicycle brand (frame brand) manufacturer if you have a question in regards to BB specifications & assembly conditions.