RAD Cycle Products Max Racer 7 Levels of with Smooth Magnetic Resistance Bicycle Trainer Allows You to Work Out With Your Bike STATE OF THE ART - As soon as you begin to pedal, the ultra QUIET internal magnet creates resistance. Seven levels of resistance simulate road conditions 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. We stand behind every product we sell and back it up with a 100% satisfaction guarantee VERSATILITY - Turn your bike into an indoor exercise bike, easy set-up and quiet operation, riser block included.