Stock photography, photos: Mountain biking a dusty trail Stock photos of A man mountain biking down a dusty single track trail near Truckee, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: biking, mountain bike, cycling, bicycling, single, track, training, back, country, action, active, effort, energy, liveliness, endurance, motivation, strength, strong, power, aerobic, challenge, desire, difficult, adventure, dust, dusty, man, male, solo, self reliance, summer, California, sierras, backlight, backlit, alpenglow, glow, glowing, orange, red, horizontal, biker, Athletic, athlete, Outdoor, outdoors, outside, sports, sporting, sport, exercise, health, healthy, physical, fitness, outdoorsman, sportsman, adventure, adventuring, twenties, 20s, 30s, thirties, one, 1, person, adult, adrenalin, excite, excitement, exciting, thrill, thrilling, waye