Four wheel sizes share the same kids bicycle design so young riders can start with added support and grow their skills over time. The 14-in model uses a robust metal frame and a seat rated to 145 lbs, giving room for growth as children gain confidence. An adjustable saddle from 20-21.5 in helps match kids within the 37.4-43.3 in recommended height range so they can reach the ground for stable starts and stops. Dual hand and coaster brakes let them control speed by hand or by backpedaling for familiar stopping power.