shimano bb-m980 xtr english thread cups 68/73mm bottom bracket

Genuine Shimano hollowtech ii bottom bracket assembly.Features:Set includes left and right hand cups, spacers, inner cover, and inner o-ringsLight weight seal structure helps to remove vital gramsSealed cups keep out dirt and waterMaintenance freeCompatible with 68 mm and 73 mm shellDurable black anodised finishEasy installationUse tlfc34 or tlfc24 in conjunction with tlfc36 adaptor tool for installation and removal