Safety On the Go Flash lights will turn on while sheels spin, more visible and safer riding during evening or any dark circumstance. The most stable 45-degree triangular support design, avoid the potential danger which caused by broken support bar. Growth Necessities When young children start to ride a bike,the first thing they need to gain is a sense of balance. Training wheels or stabilizers are an additional wheel or wheels mounted parallel to the rear wheel of a bicycle that assist learners until they have developed a usable sense of balance on the bicycle. Develope Intelligence The overall bracket and wheels are thicker and stronger to install than regular wheels, effectively help your child learn to ride a bike without difficulties. As the child grows, you should increase the height between the training wheel and the ground. This should however be based on the kid’s skills in balancing and turning. Periodic Inspection After installing training wheels, it is important to perform periodic inspect the bolt on the back axle is tight enough. The training wheel clearance from the ground must be the same on the both sides to provide your child with the same level of balance when riding the bike. Assembly Instructions 1. Connecting training wheel and support bar together. First install the bolt, wheel, bracket arm , gasket and nut in order, then tighten them by wrench. 2. Then fix the stop block,fasten the pointed horn of stop block on the bike frame. 3. According the size of bike wheel, choose the proper insert size on the support bar.Tighten the nut with wrench by slightly press. 4. Follow the same instruction to install the training wheel on the other side. Please pres