shimano mtb 92 or 89.5 mm 41 mm bottom bracket with inner cover

Complete press-fit bottom bracket assembly for Shimano hollowtech ii MTB cranks.Features:Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left and right hand cups, 2.5 mm spacer, inner cover, and inner o-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells41 mm cup diameterEasy press-fit installation