 The road is where you make it with the Cooper Discoverer Rugged Trek all-terrain tire from GCR. Rugged Trek's aggressive tread design delivers the off- and on-road performance you need and the look you want. Versatile, with comfortable all-season ride and superior traction even on snow and ice. Take control of Alaska's driving conditions. For your light truck or SUV, buy your Cooper Discoverer Rugged Trek at GCR. GCR Tires and Service, the tire guys. Haming the Alaskan Road, Van Hornet Cushman.