Mongoose Dolomite Fat Tire Mountain Bike, 26-Inch Wheels Conquer any off-road trail with ease with this steel-framed mountain bike with supersized all-terrain knobby tires. A Shimano rear derailleur with seven speeds makes hills easier to climb, while twist Shifters make it smooth and easy to change gears while riding. The threadless headset is adjustable for riders of different heights. For added speed and performance, the strong, lightweight alloy rims keep the weight down. Ride comfortably with beach cruiser pedals and insure safety with front and rear disc brakes. This bike ships ready to be assembled. Sized for adult riders 5 feet, 6 inches to 6 feet tall, and has a limited lifetime warranty.