Advamsoler Indoor Cycling Stationary Exercise Bike with Comfortable Seat

This exercise bike is suitable for most people. Adjustable Resistance Exercise Bike: The micro-adjustable tension system, ranging from 0 to 100 levels. With levels ranging from 0-25% for warming up, 25%-50% for cardio workout, 50%-75% for fat burning, 75%-100% for muscle strengthening.

eBay