Shimano ES51 Octalink V2 Spline Bottom Bracket (Black) (BSA) (68mm) (113mm) - EBBES51B13
Shimano ES51 Octalink V2 Spline Bottom Bracket (Black) (BSA) (68mm) (113mm) - EBBES51B13, Shimano BB-ES51 Octalink V2 Bottom Brackets Features: Fits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Specifications: Frame Interface: BSA/English Threaded Spindle Interface: Octalink V2 Bottom Bracket Shell ID: 1.37 Shell Width: 68mm Spindle Lengths: 113mm, 118mm, 121mm, Color: Black Weight: 262g (113mm)