With the addition of lightning fast WiFi, KICKR continues to stay ahead of the pack as the smart trainer that gives you the most ways to connect, compete and train indoors. - +/- 1% power accuracy - Side-to-side movement - Auto-calibration and firmware updates - Virtually silent operation - Measures speed, distance, power and cadence data - NEW - WiFi connectivity for faster, stable data transfer - NEW - ERG Easy Ramp gets you back in action - NEW - Odometer tracks total mileage