Hydrorider Aquabike Pro-FixLike other Hydrorider pool exercise bikes, the Pro Fix offers you a fun and easy way to get fit, especially if you want a low impact workout option. It is one of the best ways to improve your cardio endurance while burning calories and toning your body. The Hydrorider AquaBike Pro Fix has a four paddle flywheel system that makes gradual changes in the resistance during your workout. It is the largest paddle available on the market, so it provides the