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Harley Davidson Electra glide windscreen Street Glide Windshield Vstream National cycle N20405 Harley FLHX Street Glide VStream Replacement Windscreen Ultra Low; Dark Tint


Harley Davidson Electra glide windscreen Street Glide Windshield Vstream National cycle N20405 Harley FLHX Street Glide VStream Replacement Windscreen Ultra Low; Dark Tint

National Cycle’s widely acclaimed V Stream ® Windscreens are now available for late-model FLHT/FLHX riders! The advanced 'V' shape and dimensional contours push the wind vortex away from the rider's helmet, resulting in a peaceful, quiet riding environment. Greatly reduced wind noise... much less turbulence... perfect style... The VStream revolution is here!
Manufactured in 4.0mm thick Lexan® polycarbonate with National Cycle's exclusive Quantum™ hardcoating. DOT Approved. Uses existing mounting hardware for a direct replacement.
State-of-the-art Quantum™ coated Lexan® polycarbonate gives the VStream outstanding optical clarity and strength. It has 30X more abrasion resistance than acrylic materials, and 23X better crack and impact resistance. This is the best, toughest, most long lasting windscreen material you can buy.

Size: (Measured from bottom center mount hole to top of screen)
Height: 07.25 in. (18.4cm) Width: 16.00 in. (40.6cm)

VStream® — Experience the Aeroacoustic Difference
National Cycle's widely acclaimed VStream® Windscreens are now available for late-model FLHT, FLHX and FLTR riders!
The Tall and Standard sizes are outstanding high-speed highway performers. Riders will enjoy a significant inprovement in wind management and riding comfort.
Riders who want a custom look and a lower profile will like our VStream Low and Ultra Low Windscreens. Both deliver VStream performance in a smaller, more compact size.

National Cycle's VStream® is revolutionizing motorcycle windscreen performance! While other manufacturers offer taller screens or air spoiler tops, National Cycle designed, for the first time ever, a windscreen with airflow calculated and adjusted to quiet and comfort the rider's environment.

The typical airflow pattern of the wake from most windscreens is called a van Karman vortex. At speeds of 50-90 mph, the air swirls off the windscreen in an approximate 90-degree segment of rotation, hits the bottom of the rider's neck on the way up, and curves off the shoulder at approximately 45 degrees.

We gave the VStream its name for the shape it takes at the upper edge. The patented “V” shape is so quiet because it pushes this vortex out and away from the side of the rider's head. The rider’s helmet then resides in still air, and the passenger's environment is greatly improved as well. Of course, with small sporty screens of different sizes, the effect on the rider will vary, but there is always a notable difference in quietness and comfort!

VStream windscreens deliver unprecedented durability and optical clarity through the use of 4.5-6.0mm thick Lexan® polycarbonate with FMR hardcoating or our exclusive Quantum™ hardcoating.

What are the Benefits of Hardcoated Polycarbonate?
Outstanding impact strength! Nothing else comes close to matching the impact strength of polycarbonate, making it the ideal material for motorcycle windscreens. It is 10X stronger than H.I.A. and 20X more impact resistant than acrylic plastic (Lucite®). Real world testimonials, like the one from a customer who met a ball peen hammer at 75MPH attest to the outstanding impact strength of polycarbonate.

Quantum™: The New Benchmark
30X more scratch resistance than typical acrylic windscreens is saying a lot! Think of it as 30X more miles per windscreen. Quantum even has 10X better scratch resistance than the FMR hardcoating used by most manufacturers! That’s the kind of performance, strength and durability riders need from a motorcycle windscreen!

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