The Parabolic Roller is a roller suitable for a sports training, that simulates realistically the feeling of a road race, since the back wheel is not bound to the frame but slides freely. It has three thermoplaticmaterial rollers, two of which are connected to a transmission belt and bound to a strong painted iron frame. The cylinders rotate on sealed bearings and have a particular parabolic shape that helps keeping the bike perfectly in axis. Parabolic Roller is pliable and can easily fit even the trun
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