Complete bottom bracket assembly for Hone, LX, XT and Saint Hollow Tech II chainsetSet includes left and right hand cups, spacers, inner cover and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 68mm and 73mm shellsEasy installationIncludes fitting tool (TL-FC25) for Cyclo Shimano Hollowtech II Bottom Bracket Tool 46114)