Description
Shimano ES51 Octalink Bottom Bracket
The ES51 is Shimano's splined bottom bracket for use with their Octalink chainsetsOversize BB spindle - large 22 mm diameter hollow pipe billet spindle reduces weight, increases strength and rigidityOctalink splined axle/crank arm interface -results in more rigid crank assembly compared to square tapered spindleAnti-corrosion treatment inside hollow spindleSealed cartridge assembly - maintenance-free sealed cartridge keeps out dirt, mud and waterEasy installation without adjustmentAluminium adapter Average weight 262 grams
Additional Information
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