SUPERLITE RSX Series 520 Conversion Kit w/ D.I.D. Chain | Yamaha | YZF-R9 (2025-2026)

SUPERLITE RSX Series 520 CONVERSION KIT 
Yamaha YZF-R9 (2025-2026)

Superlite RSX Series conversion 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.

YZF-R9 Stock Gear Ratio – 16 Front | 43 Rear

Superlite RSX Kit Includes:

• Superlite XD Series chromoly steel drilled and lightened front sprocket
• Superlite RSX Series black high carbon steel rear sprocket OR the RSX-R Series black hard anodized 7075-T6 aluminum rear race sprocket
• High Strength D.I.D 520 X-ring sealed chain
• Matching D.I.D Rivet style connecting link

D.I.D Chain Options:

• 520 Pro Street VX Series Chain – for motorcycles with 800cc’s or smaller
• 520 ERV7 Race Series Chain – for motorcucles with 1000cc’s or smaller
• 520 ZVMX Super Street Series Chain – for motorcycles with 1200ccs or smaller

** PLEASE NOTE: BLACK HARD ANODIZED ALLOY SPROCKETS ARE ONLY AVAILABLE IN 41-48T

*This kit is a 520 conversion which is thinner and 2-3 pounds lighter than the stock set.

*Product picture is for reference only and not an exact photo of the sprocket designs.

Please note: Less teeth on the front sprocket provides more low-end torque and acceleration. Less teeth on the rear sprocket provides less torque and more top-end speed.