Shimano SM-BB71 Press-Fit Bottom Bracket
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DescriptionShimano manufactures a wide range of different cranksets and matching bottom brackets so that the optimum system will always be available for each kind of bicycle and riding style.
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
Easy press-fit installation