training wheels for kids, heavy duty design rear bike stabilizers mounted kit safe for compatible bikes of 14 16 18 inch -1 pair wayda <b>wayda's heavy duty rear training wheels provide the necessary security and stability which it needs in the first road tests on the bike.gives your child the best start to gaining their balance and confidence without holding the back of the saddle. </b><br> <b>specifications: </b> <br> color: sliver <br> material: metal and rubber <br> bracket: 8.6 x 2.9 x 1.1 inch <br> wheel diameter: approx 5 inch <br> <b>installation notes: </b><br> 1.insert bolt through the wheel, washer and training wheel arm. <br> 2.attach and tighten washer and nut, you will require two wrenches to tighten this property. <br> 3.remove rear axle nut from the bicycle wheel. <br> 4.insert axle though locking brace and fix the raised point to the bicycle frame ends. <br> 5.determine desired height of training wheels when attached the training wheels should have about 0.5-1cm (1/5 to 3/5in) space from the ground. <br> 6.tighten axle nut with adjustable wrench. <br> <b>package include</b><br> 1 pair of wayda training wheels <br>