huway training wheels flash mute wheel bicycle stabiliser mounted kit compatible for bikes of 12 14 16 18 20 inch, 1 pair (black) huway 😊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. <br>😊the kids bike stabilisers is very sturdy and simple to install suit for 12 14 16 18 20 inch training wheels. <br>😊please note that slight color difference should be acceptable due to the light and screen. <br> <br>specification: <br>✔ material: steel + plastics + rubber <br>✔color: blue ,black, red,white, purple, rose <br>✔size: wheel: 4.33 inch*4.33 inch*0.98 inch /11cm *11cm*2.5cm bracket arms: 10 inch*1.1 inch / 25.4cm*2.8cm <br>✔fit: 12/ 14/ 16/ 18/ 20 inch bicycles <br> <br>installation notes: <br> <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 propeily. <br>3.remove rear axle nut from the bicycle wheel axle. <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>7.repeat for another suide.