Zero Gravity SR Series Windscreen for Honda 2011-13 CBR250R - One Size Best optics of any windscreen on the market. All are fabricated using highly specialized blow molding techniques similar to those used to form aircraft canopies. The result is virtually distortion-free optics Made from the finest grade of 1/8in. acrylic plastic. Each windscreen is stretched as it is formed, a process which results in superior strength and flexibility. This flexibility allows the windscreen to absorb road vibrations and resist cracking Factory drilled holes and profiles that match your OEM fairing for a precision fit Used by the best Superbike, Grand Prix, Supersport and Endurance teams in America, Zero Gravity windscreens dominate road racing Zero Gravitys stock replacement line of sportbike windscreens