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Code: BB-ES300
Shimano BB-ES300 Octalink Bottom Bracket
  • Splined bottom bracket for use with Shimano Octalink chainsets
  • Oversize BB spindle - large 22mm diameter hollow 
  • Octalink splined axle/crank arm interface
  • Sealed cartridge assembly with oversize ball bearings
  • Maintenance-free high efficiency rubber seals keep out dirt, mud & water
  • Cartridge design allows easy installation without adjustment
FRANCIS This was perfect. Easy to replace and works fine. Son very happy with the smooth sound.