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  Marchisio free wheels and Shimano/Campagnolo compatible pinions. With Marchisio you can easily build by yourself your preferred free wheel. From 11 to 18 teeth on first postition up to 30. Worldwide news: with the latest developed Marchisio hubs you can do now everything with your own hands, without using any additional key!
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Recommended link: http://www.marchisioengineering.it