Zero Gravity Replacement Windshield - Double Bubble Windscreen - Dark Smoke - Kawasaki Ninja ZX6R/RR 2003-2004 - 16-245-19All Zero Gravity windscreens offer superior optical quality, strength plus flexibility, exceptional fit and finish, plus race-proven performanceDeveloped by Zero Gravity R and D in 1995 for Team ZGs race bikes, the Double Bubble is now seen on race tracks around the worldFormed with a wedge-shaped bubble in the center of the windscreen, the Double Bubble was originally designed to provide superior aerodynamics for a rider tucked in behind the windscreenAdds a sleek, aerodynamic look to the exciting designs of todays new sportbikes