TRK 502The TRK 502 differs from the TRK 502X only with its 17 inch wheels sporting 120 70x17 and 160 60x17 tires, as well as radial 4 piston brakes up front. The inverted fork, with its 50 mm legs, has the same travel as the X version at 5. 5 inches (140 mm) of travel, while a centrally mounted monoshock with adjustable spring preload and rebound damping handles the rear. The TRK 502 accessories include aluminum side bags and top box, and taller windscreen.