These Razor MX400 Dirt Rocket Electric Motocross Bikes are designed for kids and teens aged 13 and older. With a high-performance electric motor, large 12-inch pneumatic knobby tires, and speeds up to 14 mph, they're perfect for off-road adventures. The bikes feature adjustable handlebars, a hand-operated rear brake, and a retractable kickstand. They come in a 2-pack with 1 black and 1 white bike, weigh 62.6 pounds, and have dimensions of 44 x 24.5 x 31.0 inches. The battery charge time is 12 hours, and they offer up to 30 minutes of continuous use on a single charge. Manufacturer warranty is 90 days. UL approved charger and tools are included.