Vortex 313ZO-56 520 Aluminum Rear Sprocket 56-Tooth

The Vortex 313ZO-56 is a lightweight 56-tooth aluminum rear sprocket designed for 520-pitch chain drive systems. Precision-manufactured from a specially formulated aluminum alloy to Vortex's exacting standards, this sprocket delivers an ideal combination of low rotating mass and long service life for both street and track applications.

Key Features:

• 56-tooth, 520-pitch rear sprocket configuration
• 100% CNC machined from high-strength aluminum alloy
• Vortex patented tooth profile for reduced chain wear and extended sprocket longevity
• Lightweight construction reduces unsprung and rotating mass compared to steel sprockets
• Hard anodized finish for corrosion resistance and durability
• Manufactured in the USA to tight tolerances

Vortex Racing has been producing championship-proven drivetrain components since 1995. The 313ZO-56 rear sprocket is a direct bolt-on upgrade engineered to deliver consistent, reliable performance whether you're commuting on the street or pushing the limits on the track.