Specification:<br> ♥ Material: Steel + Plastics + Rubber<br> ♥ Color: Pink/ Blue /Black /Green/ Red<br> Size:<br> ⇨Wheel: 4.33 inch*4.33 inch*0.98 inch (11cm *11cm*2.5cm)<br> ⇨Bracket Arms: 10 inch*1.1 inch (25.4cm*2.8cm)<br> ♥ Fit: 12/ 14/ 16/ 18/ 20 inch Bicycles<br> *The kids bike stabilisers is very sturdy and simple to install suit for 12 14 16 18 20 Inch Training Wheels.<br> * Help your children learn to ride a bike without falling over. Improve your child's safety and confidence without needing to hold the back of the saddle.<br> * Please note that slight color difference should be acceptable due to the light and screen.<br> How to install bike training wheels?<br> ♥ Step 1: Connecting the training wheel and support bar together. First assemble the bolt, wheel, gasket, bracket arm and nut in order and then fix them by wrench. <br> ♥ Step 2: Unscrew the bicycle rear axle nut, then fix the stop block, fasten the pointed horn of stop block on the bike frame. <br> ♥ Step 3: According the size of bike or wheel, choose the proper hole location on the support bar. Fix them with nut by slightly press strength. <br> ♥ Step 4: Using the same way to install the training wheel of the other side. In order to install it smoothly, please screw in press strength.<br> What can you get?<br> ▸ 2 x training wheels <br> ▸ 2 x Bracket arm <br> ▸ 2 x Locking Nuts <br> ▸ 2 x Washers <br> ▸ 2 x Shoulder Bolts<br> ▸ 2 x Gaskets