[Dimensions]:wheel diameter is 4.72in and the thickness is 0.98in ,Training wheels is suitable for 12" 14" 16" 18" 20 "Single Speed Bike, but not for certain HUFFY bicycles.
【Easy to install】:All mounting hardwares and installation instructions are included, you will have more choices to adjust the height. Installation is very simple .
[Stability and Safety]: We made our heavy duty training wheels with special attention to stability, The vertical Bracket arms design are thicker , They Support Riders up to 100 Pounds .
[Anti-slip Design]: Our training wheels have the functions of slip-proof and noise-free for a safer, easier ride ,So that your child can be safer and smoother when He/she learns to ride a bicycle.
[Warranty and Quality control]:Our quality control team ensures you get the same high quality bicycle training wheels. We will also provide you with the utmost professional solution and customer service.