bnkihdd bicycle training wheels for kids stronger version replacement adjustable bicycles stabilizer for children, suitable for 12/14/ 16/18/ 20/ inch children's single speed bikes (black) bnkihdd <br>▸when young children learn to ride a bicycle, balance is the first and the most important thing they need. <br>▸the overall bracket and wheels are thicker, stronger and easier to install than regular wheels., fits 12, 14, 16, 18 and 20 inch training wheels. <br>▸effectively help your child learn to ride a bike without difficulties, improving your child's safety and confidence. <br> <br><b>how to install bike training wheels?</b> <br>⇨step 1: connecting the training wheel and the support bar together. first assemble the bolt, wheel, bracket arm , gasket and nut in order,and then tighten them with wrench. <br>⇨step 2: unscrew the bicycle rear axle nut, then fix the stop block, and fasten the pointed horn of stop block on the bike frame. <br>⇨step 3: according the size of bike wheel, choose the proper insert size on the support bar. (the training wheels should be 3/8 to 1/2 inch above the ground on both sides when the bike is upright.)tighten the nut with wrench by applying pressure. <br>⇨step 4: follow the same instruction to install the training wheel on the other side of the bike. please apply pressure to ensure the wheels are screw in tightly for safety purposes. <br> <br><b>specification:</b> <br>✔ materials: steel + plastic + rubber <br>✔ color:black/blue <br>✔ weight: about 700g <br>✔size: <br>⇨wheel diameter: 13 cm/ 5.12 inch; width: 3 cm/ 1.18 inch <br>⇨suitable for: 12/ 14/ 16/ 18/ 20 inch bicycles <br> <br><b> package includes:</b> <br>2 x shoulder bolts <br>2 x training wheels <br>2 x vertical brackets <br>2 x washers <br>2 x locking nuts <br>2 x limit spacer<br>1 x wrench <br>1 x bell