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  • [QUOTE=wiganwill;542627]Most couriers run 165 on the left and 180 on the right. Come on, hipsters, fall in line.

    so you can prop your bike on the kerb, right?[/QUOTE]

    no, crank length affects gear ratio - the 180 is a low gear for pulling away quickly, and the 165 for zooming along.

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