From springs to intervals to an all-day cruise, the Powertap calibration offers true simulation of an outdoor ride. Quiet, smooth and completely leak-proof with resistance that adjusts automatically as you change speeds. 6.25lb fly wheel for a realistic coast down. Includes: Free Spinervals training DVD. Five (5) year warranty on resistance unit. Lifetime frame warranty. (Shipping 24.50)

Item Code: KURTTRJH