Should be a 5mm allen key, as almost all any other crank bolts.. If you're having trouble removing them, don't insist, those black mavic (nylon?) bolts tend to get stuck a lot..
@agusteed started
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Should be a 5mm allen key, as almost all any other crank bolts.. If you're having trouble removing them, don't insist, those black mavic (nylon?) bolts tend to get stuck a lot..