This kids bike is designed to help young riders build confidence and develop their cycling skills safely. It features a durable high-carbon steel frame with a baked paint finish and lightweight magnesium-alloy one-piece wheels that provide stability and require minimal maintenance. The dual U-brake system offers reliable stopping power for improved control during rides.The bike includes glow-in-the-dark training wheels to support balance development and enhance visibility. An adjustable quick-release seat allows the bike to grow with your child, ensuring lasting comfort as they develop their riding abilities. A water bottle and holder are included for convenient hydration during outdoor adventures.This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65. Available in multiple sizes to accommodate children ages 4 to 9 years old, with recommended height ranges and weight capacities varying by model.