Shimano BB71 MTB Press Fit Bottom BracketShimano MTB BB71 press-fit bottom bracket designed to work with HollowTech II MTB cranks. Suitable for MTB bottom bracket shells with a 41mm cup diameter.Features:Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left- and right-hand cups, 2.5mm spacer, inner cover, and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 89.5mm (with 2.5mm spacer) and 92mm shells41mm cup diameter24mm inner bearing diameterEasy press-fit installationShimano XT
