Shimano SM-BB51 Bottom Bracket Cup Set HollowTech 68/73mm BSA Deore SLX XT BB51 bottom bracket w/ 3 original gaskets BB52
Cycle Surgery BD - Shimano Deore BB51 Hollowtech II Bottom Bracket Price: 1500/- Features: Set includes left and right hand cups, spacers, inner cover, and inner O-rings. Sealed cups keep out dirt