Shimano BB-UN300 68x113mm Square Type MTB Bottom Bracket

Shimano Tourney BB
The BB-UN300 is part of the Shimano Tourney A070 line of products. The bottom bracket is a square type BB - MTB - Standard structure. Using Shimano's quality cartridge bearings to ensure smooth and consistent use.. Square type BB
. BB-UN300
. Size: 68 x 113mm
. Adapter material: Aluminium
. Does not come with foxing bolts