High Quality Content by WIKIPEDIA articles! The NuVinci Continuously Variable Transmission is a type of roller-based continuously variable transmission (CVT) manufactured and marketed by the American company Fallbrook Technologies Inc. The design saw its initial market application as bicycle gearing system, first available in December 2006 in the Netherlands. NuVinci CVTs are also currently under development for other applications, including wind turbines, light electric vehicles, outdoor power equipment, and automotive front-end accessory drives.