Shimano - SM-BB52 Deore outboard bearing bottom bracket set, English thread, 68 / 73 mm
Overview
Genuine Shimano HollowTech II bottom bracket assemblySet 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