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ES51 Octalink Bottom Bracket 68 x 113mm
Tax included.
- Splined bottom bracket for use with Shimano Octalink chainsets
- Oversize BB spindle - large 22 mm diameter hollow pipe billet spindle reduces weight, increases strength and rigidity
- Octalink splined axle/crankarm interface -results in more rigid crank assembly compared to square tapered spindle
- ES51 has anti-corrosion treatment inside hollow spindle
- Sealed cartridge assembly - maintenance-free sealed cartridge keeps out dirt, mud and water
- Cartridge design allows easy installation without adjustment
- Aluminium adapter
- Average weight 262 grams
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