The 18" Dynacraft Nitrous boys' bike is functional and stylish while offering a smooth ride. This bike has a front caliper and rear coaster brakes for convenience and smooth stopping power. Riders can rely on the 18" BMX bike to be lightweight and durable. The 18" Dynacraft Nitrous boys' bike features a dynamic design with deluxe graphics, so riders will love using it to shred the neighborhood streets.