Vortex 313ZO-49 Rear Sprocket Orange Aluminum Sprockets - 520 49-Tooth

The Vortex 313ZO-49 is a 520-pitch, 49-tooth aluminum rear sprocket finished in a distinctive orange anodize. Engineered for performance-minded riders, this sprocket is CNC-machined from aerospace-grade aluminum to precise tolerances, delivering smooth, consistent power transfer and reduced rotating mass compared to steel alternatives.

Key Features:

• 520 Chain Pitch: Designed for standard 520-pitch chain applications
• 49 Teeth: Provides a higher rear tooth count for improved low-end torque and acceleration
• Lightweight Aluminum Construction: CNC-machined from high-strength aluminum alloy for reduced rotational mass and enhanced throttle response
• Orange Anodized Finish: Hard anodized coating provides corrosion resistance and a bold, race-inspired appearance
• Precision Tolerances: Manufactured to tight specs ensuring concentricity for smooth, quiet chain engagement
• Vortex Patented Tooth Design: Optimized tooth profile extends sprocket and chain life
• Weight-Reducing Cutouts: Lightening holes minimize rotating mass without sacrificing structural integrity

Vortex Racing is a U.S.-based manufacturer with a proven track record in Motocross, Supercross, Road Racing, and Flat Track Racing. Each sprocket is developed with direct feedback from professional race teams, making the 313ZO-49 a trusted upgrade for both track and street performance applications.