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Shimano ES300 Octalink BB, 73 x 121mm BS Thread
Shimano
Shimano ES300 Octalink BB, 73 x 121mm BS Thread
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
BBES300C21
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Bike Rehab Ltd
Bicycle Service & Repair in Sheffield
0114 4388506
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