LyeXD 20-inch Kids Bike Mountain Bike 7-Speed Green Kids' Bicycles, City Bike Frame & Double-disc Safety Brake, Adjustable Height Mountain Bikes for Boy

【Adjustable Design】: Its seat height can be adjusted from 24.8 inches to 30inches, allowing children between 4.26 and 4.9 feet in height to enjoy comfortable cycling. You don't have to worry about children growing too fast and needing to change bicycles frequently!

【Multi-speed Transmission】: Seven gears allow children to choose the appropriate speed according to their own needs and different environments, making it easy to ride. The 7-piece taren is flexible and smooth, allowing for stable and accurate gear shifting in different terrains.

【Stable Cycling】: The spring under the seat can absorb most of the vibration, providing a more stable riding experience even on uneven mud, sand, and mountain roads. The elasticity of rubber tires also gives them a certain shock absorption effect.

【Durable & Sturdy】: The carbon steel frame, combined with paint baking and argon arc welding processes, can achieve a maximum load-bearing capacity of 187 pounds. High-quality rubber tires and aluminum alloy hubs are more lightweight and wear-resistant, providing good long-term performance.

【Safety Guard】: Reliable front caliper brake and rear holding brake can provide stable and strong braking force even in harsh weather conditions. Anti-slip tires provide excellent grip and stability, ensuring safe cycling.