Holaki 16" Boys Mountain Kids Bike Bicycle, Recommended Age Group 4-8 Years , Light Weight Magnesium Alloy Frame, Yellow

【Magnesium Alloy Frame】Safety is our top priority. Crafted with a sturdy Magnesium Alloy frame, this bike is not only lightweight but incredibly durable. It can withstand the rough and tumble adventures of childhood. 【Stable Training Wheel】The training wheels have triangular stability to help kids learn to ride quickly, providing a guarantee for their safety. 【Dual Disc Brakes】Mechanical Dual Disc brake system is adopted to ensure safety. Front disc brakes can greatly reduce the braking distance and ensure that you can stop immediately in case of emergency. 【Accompany Child's Growth】Designed ergonomically, the adjustable saddle and handlebar can accommodate children of different ages. 【Easy Assembly】The bikes are 95% pre-assembled, with an elaborated instruction manual and assembly tools. It is very easy to assemble. 【Removable Training Wheels】The training wheels have triangular stability to help kids learn to ride quickly and protect their safety. Even without any cycling experience, children can ride smoothly. Stepless Dual Speed Hub Automatically switches from low gear to high gear. It has the characteristics of simple operation, smooth adjustment, and easy maintenance.