Focused on training Functional, easy to use, perfect for a correct training programme New magnetic resistance unit, compact but powerful 5 resistance levels adjustable by a bar mounted dial Volare all-steel frame Easy to set up: the roller is preassembled; just tighten 2 screws and in a few minutes after the purchase you are ready for training Spring-Plate System: an automatic spring system that brings the resistance unit into contact with the tyre and ensures the right pressure The training roller folds up easily for easy transport or storage when not in use 30 mm diameter aluminium roller Adapts to all wheels from 24” to 28”