Mongoose Excursion mountain bike, 24-inch wheels, 21 speeds, girls frame, black Take on steep slopes and tough trails with glee on the Excursion Mountain Bike from Mongoose. Made for experienced mountain bikers and new riders alike, this hardtail mountain bike is built with a durable steel mountain frame and front suspension fork that are designed to take the abuse of bumps and dips found on dirt paths and trails. 21-speed twist shifters and the Shimano rear derailleur offer complete control over resistance and speed while traveling, giving you a wide gear range and letting you fine-tune your ride as you go. The Excursion benefits from light and strong alloy rims that help lighten the load and knobby mountain tires that dig into dirt, sand or grass on your toughest rides. Slowing down to a halt, even on a steep hill, is simple thanks to the front disc and rear V-brakes. Add in the steel 3-piece crank for superior gearing and there’s only one choice for your next Excursion companion. There’s nothing you can’t do on a Mongoose. Since 1974 Steel mountain frame with suspension fork to smooth bumps and increase control on the trail. 21-speed with twist shifters and Shimano rear derailleur for precise gear changes. Front disc and rear V-brakes provide fast, controlled stops. Alloy rims provide lightweight durability, while the 3-piece crank makes for a reliable power train. 24-inch wheel fits riders 4’8” to 5’6”. This bike comes unassembled.