Lighting Bike CFCS-300 Max user weight: 170kg Fly Wheel Weight : 21 kg. Ultra sturdy structure with stainless steel fly wheel.  Fully adjustable Gel seat with sweat proof finish.  Adjustable and ergonomic handle bar assist the most.  Comfortable sitting.  Resistance levels : Variable linear increase. Punch break system. SPD racing pedals. Transport wheels for easy movement.