The Saris Mag Bike Trainer gives you an easy way to ride your bicycle indoors and keep your training regardless of weather and other conditions. This trainer features a magnetic resistance unit that provides a quiet and frictionless ride, as well as linear resistance that boosts workout intensity to match each pedal stroke and gear click. The Mag trainer has five adjustable levels of resistance, it is compatible with Zwift and other indoor training apps and includes a one-month subscription to the Rouvy virtual training app. The Mag is super easy to use, simply connect the trainer to the rear wheel of your bike, hop on and pedal away. Train and perform your best with the Saris Mag Bike Trainer!