Shimano ES300 70 x 113mm Octalink V2 Spline Italian Bottom Bracket
Shimano BB-ES300 Octalink V2 Bottom Brackets. Fits Shimano Octalink V2 Spline Cranksets. Spindle Interface Type: Shimano Octalink V2. Bottom Bracket Shell I.D.: 36. BB Shell Width (mm): 70. Your Privacy.