Sturdy frame the armored car in the mountain bike is designed to be safely loaded with heavy-duty pipe wall and there is no hidden high-carbon steel pipe. Safety chain cover design to provide baby with safety protection. Manufacturered by Axdwfd. Safe and sensitive brake system front and rear double brake design always protect your baby's safety. 12"14"16"18"size Red Orange Blue bicycle with a rear frame. This sporty bike for boys and girls comes with training wheels and a quick release seatpost which makes it easy to adjust the height of the seat .