Technologically unique: The patented V-shape of the NATIONAL CYCLE windshield VStream increases aerodynamics & windbreak while minimising noise. This 4, 5 to 6 mm strong Quantum coated high-tech Lexan® polycarbonate touring screen is ten times more scratch-resistant & twice as much break-proof & UV-resistant than high impact acrylic. With ABE. Article: NATIONAL CYCLE windshield VStream Lexan® polycarbonate Quantum coated