Stage6 R/T Oversize CVT Piaggio (NRG / Typhoon) – part of the Oversize CVT kit by Stage6 and best used with the matching oversize torque drive. Enlarged “oversize” CVT systems have become popular for race engines since they extend the range of the transmission and provide improved power transmission. The variator is equipped with 6 roller weights (19×15.5mm – 3.5g)