Product Description
Shimano Splined ES50/51 Bottom Bracket is for use with Shimano Octalink chainsets. It has an oversize BB spindle - large 22 mm diameter hollow pipe billet spindle reduces weight, increases strength and rigidity.
Features:
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.
Weight: 262g
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