● Remium Material and Stable Frame: Made of carbon steel structure, this lightweight bicycle provides strong support and ensures long-term service. 2 auxiliary wheels can help form a stable triangle structure, which improves overall stability. Besides, the max weight capacity of the bicycle is 77 lbs.● Removable Training Wheels: 2 detachable auxiliary wheels offer kids safer riding and help them learn balance during the ride, which can help them to ride better when their riding skills are not good. In addition, the training wheels can be easily removed with the growth of kids.● Height Adjustable Seat: The height of the seat can be adjusted freely between 21.5'' to 27'', so that you can choose a suitable height to adapt to your children. With a quick release button, this tool-free and adjustable cushion allows your kids to grow up with this bike.● Simple Assembly and Practical Design: Detailed instructions allow you to complete the installation in a short time. What's more, ergonomic handles make riding more comfortable, while non-slip pedals, reflector and backwards brake are designed to enhance overall safety.● Perfect Gift for Boys and Girls: Cycling is a great way for kids to explore the outside world and promote the development of physical fitness. This bicycle with amazing designs and bright colors is charming. Moreover, the 16'' wear-resistant tires is ideal for various roads.