ORACLE Lighting illuminated LED wheel rings are an easy and effective way to light up the wheels on your car or truck! This head-turning lighting product consists of a set of (4) LED illuminated aluminum rings which install around the brake rotor and attaches to the brake dust shield. These can also be mounted to older vehicles with drum brakes. The effect is a large ring of light which accents custom wheels and stands out at events. Oversized 16.5" diameter is the largest on the market and fits oversized brakes.