Reliability and safety: The children's bike features a sturdy carbon steel frame with loadbearing tires to ensure stability and dependable performance during riding. The handbrake with the shortest stroke provides an instant braking experience, and the system with dual brakes gives young riders confident control. Size and comfort options: 22inch bike designed for boys and girls with bright, stylish colors. Lightweight frame and a comfortable seat make it easy and pleasant for kids to ride around the neighborhood. Braking performance: Mechanical dual disc brakes stop immediately and offer reliability. Front and rear dual disc brakes provide emergency braking, delivering sensitive, smooth stopping to protect children at all times. Fit and growth features: 20inch children's mountain bike suitable for ages 7 years and over and height 135155 cm; 22inch children's mountain bike suitable for ages 10 years and over and height 135175 cm. The stepthrough steel frame design allows easy mounting and dismounting, and the adjustable seat accommodates growth to suit different age groups. Use scenarios: Everyday neighborhood riding and family outings, with easy mounting and a comfortable ride for growing kids. Short trips to school, friends' houses, or parks, where quick, reliable braking and steady handling are important. Light trail or easypath rides on weekends, leveraging the mountain bike design and dependable disc brakes for safer exploration.