*520 Chain Kit - Superlite RSX Series 520 Chain & Sprocket Kit - KTM 390 Duke '14-23

Stock Gear Ratio - 15 Front | 45 Rear 

Superlite RSX Series sprocket kits shave unsprung "rotating" weight which in turn provides better acceleration, braking and handling. All kits include high quality RSX Series sprockets with multiple gear ratio options and high strength D.I.D. X-Ring sealed chains cut to length. These championship winning sprocket kits are extremely strong and built to last!

Each sprocket kit includes -

(1) Superlite XD Series chromoly steel drilled and lightened front sprocket

(1) Superlite RSX Series black high carbon steel rear sprocket OR RSX-R Series black hard anodized 7075-T6 aluminum rear race sprocket

(1) High strength D.I.D. 520 X'ring sealed chain cut to length

(1) Matching D.I.D. Rivet style connecting link

Chain Options - 

520 Pro Street VX Series Chain - Recommended for motorcycles with 800cc's or smaller

520 ERV7 Race Series Chain - Recommended for motorcycles with 1000cc's or smaller

520 ZVMX Super Street Series Chain - Recommended for motorcycles with 1200cc's or smaller