Shimano ES51 Octalink V2 Spline Bottom Bracket (Black) (BSA) (68mm) (118mm) - EBBES51B18
Shimano ES51 Octalink V2 Spline Bottom Bracket (Black) (BSA) (68mm) (118mm) - EBBES51B18, Shimano BB-ES51 Octalink V2 Bottom Brackets Features: Fits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Specs: Spindle Length118 BB/Frame InterfaceEnglish Bottom Bracket Shell I.D.1.37" Defined ColorBlack Spindle Interface TypeShimano Octalink V2