Resistance level varies automatically based on your cadence and wheel speed directly by using your bikes own gears.
More power allows for intense interval and strength building workouts.
Ideal for hitting and maintaining specific heart-rate targets. The patented design gives you the quietest ride with the best road like feel. Cyclerobx video included in box. Five different levels of magnetic resistance accurately simulate the feeling of virtually all riding conditions for the best in year-round training. 7 Level Magnetic Resistance with Remote Switch.