Custom Dynamics LED License Plate Frame (CHROME) Custom Dynamics is the leader in after-market motorcycle L.E.D. lighting. Custom Dynamics has one of the largest selections of motorcycle accessories and motorcycle lighting products in the world.Die-cast aluminum construction.Low-profile, sleek design.Illuminated with 6 bright-white L.E.D.s.Measures 7-3/16"L x 4-1/4"W.Mounting failure.