The TAO TAO Brand DB 10 with its 6.4 horsepower 110 cc 4-stroke engine has enough power to pull a youth around and will be a great addition to the family when you need a fun Dirt bike. TAO TAO DB 10 is a 107cc Unisex gas powered bike dirt-bike pit-bike. Automatic Transmission . Max Speed (MPH): CARB approved for California. Brand New 70% assembled inside a metal crate. Certified Technician is required for Assembly Prep Basic care & maintenance and all Technical issues