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In this video I present to you a very rare copy Option international patent by the creator of ECM cycles based in Portet sur Garonne, Toulouse sector. This bike has many particularities but the main one is its freewheel system outside the frame thanks to the ACP System hubs. Discover its secrets and its behavior on the road. ???? INA video on Option bikes: https://www.ina.fr/ina-eclaire-actu/v... ???? Option cycles patent: https://patents.google.com/patent/EP0... ???? Join this channel to benefit from exclusive advantages: / @lecollectionneurdevelos ???? Learn how to sell your bike: https://labibleduvelo.blogspot.com/p/... ???? Discover the value of your bike: http://labibleduvelo.blogspot.com/p/e... ???? Join me on INSTAGRAM: / bicyclecoll. . ???? Bike catalogs: http://labibleduvelo.blogspot.com/p/c... ???? Thank you for subscribing: / @lecollectionneurdevelos ????????????????????????????????SUBSCRIBE ????????????????????????????????