Shimano ES51 Octalink Bottom Bracket From: £29.31!

• 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/crank arm 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 g

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