New magnetic resistance unit, very compact, 5 resistance levels adjustable by a practical selector on the handlebar, Novo frame: integration of steel and technological plastic materials, Maximum stability at high speeds or at maximum effort guaranteed by the absorbing structure of the frame, Lifting of the bicycle is limited to the minimum, Fast fixing system: the bicycle can be clamped and released with a single quick operation, New adjustable support system, allowing an adequate and constant pressure between the roller and tyre, 30 mm diameter elastogel roller, The training roller folds up easily and becomes compact for easy transport or storage when not in use, Adapts to all wheels from 24” to 29”