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 bike--including road and mountain bikes with a 26\"-28\" or 700c wheel. Fine-tune to your wheel and tire size with the micro-adjust knob.Features: Strong and rigid metal frame for long term strength and use in your home Safely secures you bike in place with the tension holding knob on the back. Most suitable for road bikes with 26-28\" /700C tyres Internal resistance over five different levels allows you to build up pace without any bumps or stoppage Rubber feet keeps unit in place whilst in use Foldable for easy and compact storage Maximum weight 150kg, assembly required Bike is NOT included