Zero Gravity Double Bubble Windscreen BMW K1200S / K1300S The Zero Gravity Double Bubble has changed the face of the sportbike industry. This innovative bubble within a bubble concept was pioneered by Zero Gravity and has pushed modern day race bikes to their peak performance level. From their first inception of a performance windscreen the Double Bubble, is Zero Gravity version of the now popular stepped profile design, pioneered by Zero Gravity Racing in the mid-90s. Sculpted to the sport bike's distinctive futuristic lines, the Zero Gravity Double Bubble enhances the bike's race look while providing added aerodynamics. Features: Intended for street use Provides superior aerodynamics for rider tucked behind the windscreen Formed with a wedge shaped bubble in the center of the windscreen All zero gravity windscreens offer premium quality, strength and flexibility Exceptional fit and finish Developed by Zero Gravity R&D in 1995 for Team ZG's race bikes Note: Reuses OEM hardware.