Vortex 610ZR-43 520 Aluminum Rear Sprocket 43-Tooth Silver

The Vortex 610ZR-43 is a 43-tooth, 520-pitch aluminum rear sprocket finished in silver anodize, engineered for sport motorcycle and powersports applications. Built to Vortex's exacting standards, this sprocket delivers a proven combination of lightweight performance and long-lasting durability trusted by racers and street riders worldwide.

Key Features:

• 520 Chain Pitch: Compatible with 520-pitch chain applications, including OEM replacements and 520 conversions
• 43-Tooth Rear Sprocket: Optimized tooth count for balanced acceleration and top-speed performance
• Aerospace-Grade 7075 T6 Aluminum: High-strength, lightweight alloy construction reduces rotating mass for improved throttle response
• 100% CNC Machined in the USA: Precision-machined to tight tolerances for a perfectly concentric fit and smooth power delivery
• Silver Anodized Finish: Hard anodized coating provides corrosion resistance and a clean, polished appearance
• Vortex Patented Tooth Design: Unique tooth profile maximizes sprocket longevity and optimizes chain engagement and release
• Weight-Reduction Cutouts: Strategically placed slots minimize rotating mass without sacrificing structural integrity

The Vortex 610ZR-43 is a direct-fit upgrade over worn OEM sprockets, delivering race-proven performance for both street and track use. Pair with a quality 520-pitch chain and matching front sprocket for best results.