Shimano bb94 mtb press fit bottom bracketcomplete press fit bottom bracket assembly for shimano hollowtech ii mtb cranks featurescups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageset includes left and right hand cups 25mm spacer inner cover and inner o ringssealed cups keep out dirt and watermaintenance freecompatible with 89 5mm with 25mm spacer and 92mm shells41mm cup diametereasy press fit installationa 2 year warranty is offered wit