16 inch wheels keep the bike just the right size for young riders Coaster brake makes it easy to learn; simply push the pedals backward to stop Manufacturered by RALEIGH. Removable training wheels to learn balance; remove when they are ready for two wheels Pedals included; limited lifetime warranty on the frame for as long as the original retail purchaser owns the bicycle Aluminum frame for lightweight durability; designed to fit ages 3 to 5 or 39 to 45 inches tall