YTKD Training Wheels for BikeCompatible for Bikes of 12 InchFlash Mute Wheel Black

Note: it is necessary to tighten the bolts to make the wheel brighter!, ☆Wheels diameter:4.73 inch. Universal training wheels fits for 12 inch bicycles. Tips: For Single Speed Bikes Only (Cannot Be Installed On Bikes with Derailleurs) and Supports Riders up to 100 Pounds ., ☆These bicycle training wheels are made of high quality plastic and rubber which it is anti-slip, wear resistant, providing stability and help us to ride a bike without fear. Light weight and noiseless., Note: please use under adult supervision., You need to buy an extension screw to install it on huffy.