This is where it all began, 40 years ago - Polisport started building aftermarket parts so that everyone could enjoy their bikes without worry and with even better looks and improved performance. Performance plastics kick-started its success and are still the core of Polisport. Removable Number Plate for use with the Polisport Halo Headlight. Durable Gloss Polypropylene (DGP), the first plastic composition for off-road that incorporates maximum gloss and high resistance to breaking. Injection-molded, quality plastic components with a perfect O.E.M. type fit.