Shimano BB-ES300 bottom bracket 68 - 121mm

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• Splined bottom bracket for use with Shimano Octalink chainsets
• Oversize BB spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity
• Octalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindle
• Sealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud and water
• Cartridge design allows easy installation without adjustment

• Product Type
  Bottom Brackets
• Discipline
  Urban & Trekking
• Colour
  Silver
• Size
  68 - 121 mm
• Axles Standard
  Octalink
• Width
  68 mm