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Shimano BB-ES300 Bottom Bracket
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The Shimano BB-ES300 bottom bracket is designed for use with Shimano Octalink chainsets.
- 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
Occasionally, without notice, manufacturers change product design and/or specifications.