POWERFUL ENGINE: The FRP DB003 kid's dirt bike has a 50cc 2-stroke engine and automatic chain transmission. Your kids can ride safely at a maximum speed of 20 mph. They can experience the thrill of power in a secure way. EASY & SMOOTH: Our gas-powered dirt bike has an easy pull-start operation for kids to start the 50cc bike. DB003 comes with low-pressure pneumatic knobby tires that provide a soft and smooth ride, even on clumpy surfaces. This ensures a comfortable and safe riding experience for young children. SAFETY FIRST: Our gas dirt bikes is EPA approved and has a rugged clutch and sturdy metal tube steel frame for stability. The rear disk brake ensures a smooth stop and prevents kids from exceeding the safe speed limit on the 50cc dirt bike. Please carefully read the entire manual before operating. Note: This is for enjoyment in private properties only. This product is NOT available in California.