Shimano BB-ES300,BSA 68MM-118

This replacement bottom bracket is designed specifically for Shimano Octalink splined hollow-tech cranks. For convenience it comes assembled and greased, all ready for installation.

8-Spline Interface: Oversize axle with 8-splines provides a more rigid interface between the crank arm and bottom bracket.

Fits Shimano FC-M751, FC-M571, FC-M510-8 and FC-M440-8 cranksets.

Specifications:

• Model: BB-ES300
• Large 22mm oversize BB spindle
• English (BSA) thread 1.37×24
• Drive: Octalink Splined
• Shell: 68mm
• Axel length: 118mm
• Weight: 272g (approx)
• Crank bolts are not included