Four-wheeled stability helps young riders build balance on this kids bicycle, with two detachable training wheels that can be removed when children are ready to ride on two wheels. The 35 x 19.5 x 24 in 12-inch bike size suits kids about 3-4 years old and a suitable height of 31.5-41.3 in, while the handlebar adjusts from 24-26 in and the saddle from 18.5-20.5 in to follow their growth. A dual brake system combines a handbrake and coaster brake, and a fully enclosed chain guard helps keep feet and clothing away from moving parts. Front, rear, and wheel reflectors improve visibility to others, and the ergonomic seat supports up to 110 lbs for extended use.