<br><b>▸When young children learn to ride a bicycle, balance is the first and the most important thing they need.</b> <br><b>▸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.</b> <br><b>▸Effectively help your child learn to ride a bike without difficulties, improving your child's safety and confidence.</b> <br> <br><b>How to install bike training wheels?</b> <br><b>⇨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.</b> <br><b>⇨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.</b> <br><b>⇨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.</b> <br><b>⇨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.</b> <br> <br><b>Specification:</b> <br><b>✔ Materials: Steel + Plastic + Rubber</b> <br><b>✔ Color:Black/Blue</b> <br><b>✔ Weight: about 700g</b> <br><b>✔Size:</b> <br><b>⇨Wheel Diameter: 13 cm/ 5.12 inch; Width: 3 cm/ 1.18 inch</b> <br><b>⇨Suitable For: 12/ 14/ 16/ 18/ 20 inch Bicycles</b> <br> <br><b>Package Includes:</b> <br><b>2 x Shoulder Bolts</b> <br><b>2 x Training Wheels</b> <br><b>2 x Vertical Brackets</b> <br><b>2 x Washers</b> <br><b>2 x Locking Nuts</b> <br><b>2 x Limit Spacer</b> <br><b>1 x Wrench</b> <br><b>1 x Bell</b>