Product details:

Versatile boys' Mongoose mountain bike is perfect for riding on trails or biking it to school. In silver. Aluminum full suspension frame maximizes comfort & performance. Suspension fork smoothes bumps & increases control. Sram twist shifters & 21 speed with shimano rear derailleur offers top performance for all types of riding. Front & rear V brakes for all condition braking. 3 piece crank. Alloy rims for lightweight durability. 24 in. tires. Assembly required.