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Shimano BB-ES300 Bottom Bracket Splined Axle BSA 68mm-118

Bottom Brackets

Shimano BB-ES300 Bottom Bracket Splined Axle BSA 68mm-118

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Product Details

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.
  • Model: BB-ES300
  • Large 22mm oversize BB spindle
  • English (BSA) thread 1.37x24
  • Drive: Octalink Splined
  • Shell: 68mm
  • Axel length: 118mm
  • Weight: 272g (approx)
  • Crank bolts are not included
Item No: SHI018304
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