Shimano ES300 Octalink V2 Spline English Bottom Bracket - 73 x 121mm

Shimano BB-ES300 Octalink V2 Bottom Brackets Fits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Specifications Spindle Interface Type: Shimano Octalink V2 BB Shell Width (mm): 73 Bottom Bracket Shell I.D.: 1.37 Spindle Length: 121 Defined Color: Gray BB/Frame Interface: English Weight: 270