INDOOR BIKE TRAINER – Convert any bike with 700cc, 26-inch or 27-inch tires into a bike trainer stand for indoor riding. This bike stand for exercise lets you train on your bicycle all year round. ADJUSTABLE RESISTANCE – The bicycle stand features a magnetic roller on the rear tire that can be set to the resistance you desire by turning the knob to add or reduce tension against your wheel. QUICK RELEASE AXLE – This trainer has hubs that fit any bike with a quick release skewer already on their rear tire and comes with a quick release skewer so you can convert any beach, road, or mountain bike's rear axle to fit this trainer. STABLE AND PORTABLE – This bicycle trainer features extra wide legs and a sturdy frame for maximum stability. The bike stand is also extremely light and can be folded for travel or storage for your convenience. PRODUCT DETAILS – Materials: Painted Steel, Plastic, Aluminum. Dimensions: (L) 21.25" x (W) 15" x (H) 18". Maximum Weight Capacity: 275lbs. Color: Blue.