Genuine Shimano HollowTech II bottom bracket assembly;Set includes left and right hand cups, spacers, inner cover, and inner O-rings;Sealed cups keep out dirt and water;Maintenance free;Compatible with 68 mm and 73 mm shell

• Shimano SHNO5 E-SMBB51B Bottom Bracket Black
• N/A
• Black

Shimano SHNO5 E-SMBB51B Bottom Bracket BlackShimano (SHNO5)