Regardless of the weather outside, you can stay in shape with your own bike! The Kinetic Cyclone Bicycle Trainer offers wind resistance at its finest. It offers 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 bikeincluding road and mountain bikes with a 26"28" or 700c wheel. Finetune to your wheel and tire size with the microadjust knob.