children's road bike 12-20-inch more sizes optional 2.15 inner and outer tire safe and comfortable

12/14/16/20 inch children's bicycles are specially designed for growth. The 2.15 inch inner and outer tires are anti-skid and wear-resistant to ensure safe riding. The thickened frame is strong and durable, easily dealing with various road conditions. The brand has passed the national 3C certification, ensuring reliable quality. It solves the parents' concerns about safety and allows children to freely explore and enjoy the fun of childhood.