Shimano BB-MT501 Bottom Bracket

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
Durable anodised finish
Easy installation
Colour    Black
Size    British thread
Product Type    Bottom Brackets
Discipline    MTB
Bottom Bracket Type   BSA Threaded