Vortex 604ZB-41 520-Pitch 41-Tooth Black Aluminum Rear Sprocket

The Vortex 604ZB-41 is a 41-tooth, 520-pitch aluminum rear sprocket finished in a durable black anodize. Engineered for motorcycle road and track use, this sprocket is 100% CNC-machined in the USA from a specially formulated aluminum alloy to Vortex's exact specifications, delivering an ideal balance of lightweight performance and long service life.

Key Features:

• 520 Pitch: Compatible with 520-series chain applications, including OEM fitments and 520 conversions
• 41 Teeth: Rear sprocket tooth count optimized for a wide range of gearing setups
• Black Anodized Finish: Cat 5 hard-coat black anodize resists corrosion and provides an aggressive look
• 100% CNC Machined in the USA: Precision-manufactured for concentricity and consistent fitment
• Vortex Patented Tooth Design: Unique tooth profile engineered to reduce wear and extend sprocket longevity
• Lightweight Aluminum Construction: Reduces rotating mass compared to steel sprockets, improving throttle response
• Specially Formulated Alloy: Aluminum alloy per Vortex specifications for optimal strength-to-weight ratio

The Vortex 604ZB-41 is a direct bolt-on upgrade or replacement rear sprocket trusted by racers and street riders alike. Pair with a quality 520-pitch chain for a complete drivetrain solution.