Giant Cyclotron is a fluid resistance trainer that allows you to turn your bike into a stationary exercise machine. It features a lifetime warranty on the frame and a quick-release skewer for easy bike installation. The Cyclotron's resistance unit gets hot during use, so do not touch it until it has had a chance to cool down. The trainer also has a wheel adjustment knob to ensure that your bike is properly positioned on the roller. With the Cyclotron, you can enjoy an effective and safe workout in the comfort of your own home.