Technologically unique: The patented V-shape of the NATIONAL CYCLE windshield VStream increases aerodynamics and 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 and twice as much break-proof and UV-resistant than high impact acrylic. With ABE. | Article: NATIONAL CYCLE windshield VStream Lexan® polycarbonate Quantum coated | Article: NATIONAL CYCLE windshield VStream Lexan® polycarbonate Quantum coated