Aprilia 520 Ornv Racing Chain For Rsv4

RACING REGINA ORNV6W APRILIA ROAD chain. Racing final drive kit, consisting of: - Regina Racing ORNV6W chain with 520 pitch, used from the main team Superstock. - Hard anodised Ergal sprocket (40 to 42 teeth) - Lightweight steel pinion (15 to 16 teeth) For track use only. The installation of the following possible combinations allows the reduction of the rotating masses by improving the acceleration. All components are lighter than their standard counterparts, while the whole kit saves weight by 850 g: - 40-teeth sprocket and 16-teeth pinion (ratio 2.500) - 42-teeth sprocket and 16-teeth pinion (ratio 2.625) - 40-teeth sprocket and 15-teeth pinion (ratio 2.667) - 42-teeth sprocket and 15-teeth pinion (ratio 2.800) Attention: this combination requires the use of the 520 pitch racing chain - the sprocket and pinion cannot be used with the standard chain or in combination with the standard sprocket and pinion. it is recommended that the final drive components are replaced every 4,000 Km or earlier if signs of excessive wear are noted, depending on riding style and conditions.