roadmaster - 26 inches granite peak men's mountain bike, black/blue roadmaster roadmaster granite peak men's mountain bike, 26 in. wheels, black/blue: designed with 26" wheels, this bike fits riders 5'4" to 6'2" in height steel mountain frame and front suspension fork offer a smooth ride 18-speed twist shifters offer smooth shifting on the trail front and rear linear-pull brakes for quick, crisp stopping alloy wheels and strong 3-piece mountain crank add durability tool-free adjustable seat post for easy height adjustments padded seat, handlebars with comfort grip knobby tire treads