cyclus make the correct one which we have at work which is this one http://www.rosebikes.co.uk/article/cyclus-crank-extractor-for-campagnolo-power-torque/aid:481530
tip to tip is 35mm and that slides and sits behind the crank perfectly.
not really worth buying if you are only going to use once tho.
a standard gear pulley would work but the feet on the pulley are never long enough to support the cranks and you may end up marking them.
@MercianMechanic started
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cyclus make the correct one which we have at work which is this one http://www.rosebikes.co.uk/article/cyclus-crank-extractor-for-campagnolo-power-torque/aid:481530
tip to tip is 35mm and that slides and sits behind the crank perfectly.
not really worth buying if you are only going to use once tho.
a standard gear pulley would work but the feet on the pulley are never long enough to support the cranks and you may end up marking them.