Useful UH-BT167 Magnet Steel Bike Bicycle Indoor Exercise Trainer Stand State of the art technology: As soon as you begin to pedal, the ultra QUIET internal magnet creates resistance. You can easily increase the resistance by shifting the gears on your bike! 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 Turn your bike into an indoor exercise bike, easy set-up and quiet operation, riser block included.