Foldable Indoor Bicycle Bike Turbo Trainer in Black

Regardless of the weather outside, you can stay in shape with your own bike! Magnetic resistance trainer converts your bike into an indoor cycling trainer. It offer effective indoor training in a stiff, well supported frame with little noise - at a reasonable cost. The trainer easy to fasten the knob screw or bolt on rear wheels. Hooks up to just about any bike–including road and mountain bikes with a 26", 27" or 700c wheel. Fine-tune to your wheel and tire size with the micro-adjust knob. As you pedal the internal magnet creates resistance, with 5 levels of resistance. And you can change them right from your handle bars.