1100 RAD Cycle Products RAD Pro Zone Smooth Magnetic Resistance Bike Trainer State of the art Technology: as soon as you begin to pedal, the ultra quiet internal Magnet creates resistance Extremely portable: the mag Trainer is extremely light and it can be folded down like an ironing board for travel and storage Maximum stability, one of the most robust and sturdy stands on the market. Extra wide legs and a sturdy frame makes this the Trainer the pros choose Extra durable, features the finest materials and proven reliability Turn your bike into an indoor exercise bike, easy set-up and quiet operation, riser block included