Kurt Kinetic Trainers are the perfect workout partner for sprints, intervals and all-day cruising. This fluid trainer boasts smooth, quiet, speed-sensitive resistance at any wattage or speed for the most realistic experience you can have in your living room. It's so real, the PowerTap-calibrated resistance unit has a 15 second coast-down from 20mph. The wide roller reduces tire wear and 80 cooling fins dissipate heat for super-low temps. Plus, the Road Machine boasts a sturdy folding frame and a secure and easy-to-use bike mount.