All Zero Gravity windscreens offer superior optical quality, strength, fit and finish Corsa SeriesÖ windscreens provide increased wind protection while tucked in behind the screen; especially good for larger riders Add a MotoGP style look to any motorcycle by having a larger single bubble; possible increase in top speed and greater rider comfort while tucked in Factory pre-drilled for use with stock mounting hardware or Zero Gravity well nut kits. WSCREEN NINJA 300 COR CLR