Mongoose Colton Mountain Bike, Mens and Womens, Hardtail, 27.5-Inch Wheel, 7 Speeds, Slate BlueGo off-road all the time with the Colton mountain bike by Mongoose. Great for ripping down rugged mountain trails, this hardtail aluminum bike features a suspension fork, internal headset, and 7-speed trigger shifters for excellent performance every time you ride. Mechanical disc brakes deliver all-weather stopping power and speed control, while 2.6-inch wide knobby mountain tires provide extra grip and stability. Plus, those alloy double wall rims add strength without weighing you down. What are you waiting for? Your wild ride has arrived with the Colton by Mongoose.