Vortex 485ZR-47 520-Pitch 47-Tooth Steel Rear Sprocket

The Vortex 485ZR-47 is a 47-tooth steel rear sprocket designed for 520-pitch chain drive systems. Engineered by Vortex Racing — one of the most trusted names in motorcycle drivetrain components — this sprocket delivers the durability and precision demanded by both street riders and track enthusiasts.

The ZR (Zero-Radius) series features precision-machined countersunk lightening holes that reduce rotating mass without sacrificing structural integrity. Constructed from high-grade steel, this sprocket offers exceptional wear resistance and longevity compared to aluminum alternatives, making it an ideal choice for high-mileage applications and aggressive riding styles.

Key Features:

• Tooth Count: 47 teeth
• Chain Pitch: 520
• Series: ZR (Zero-Radius lightened design)
• Material: High-grade steel for superior durability
• Precision CNC machined for accurate fitment and smooth chain engagement
• Lightening holes reduce overall sprocket weight while maintaining strength
• Corrosion-resistant finish for long service life
• Direct OEM-style bolt pattern for straightforward installation

Vortex sprockets are manufactured to tight tolerances and are a popular upgrade or replacement option for sport bikes and performance motorcycles. Always replace your sprocket in conjunction with a new chain and front countershaft sprocket for optimal drivetrain performance and longevity.