Vortex 201EZK-41 Black 41-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 201EZK-41 is a 41-tooth, 520-pitch aluminum rear sprocket finished in a black anodized coating. Precision-engineered for street and sport motorcycle applications, this sprocket delivers a reliable, performance-oriented upgrade over OEM gearing.

Key Features:

• Lightweight Aluminum Construction: CNC-machined from a specially formulated alloy per Vortex specifications, reducing rotating mass for improved throttle response
• Black Anodized Finish: Provides a durable, corrosion-resistant surface with a clean, aggressive look
• Vortex Patented Tooth Design: Unique saber tooth geometry extends sprocket life and improves chain engagement
• 100% CNC Manufactured in the U.S.A.: Tight tolerances ensure concentricity, consistent fit, and long-term reliability
• 520 Chain Pitch: Compatible with standard 520-pitch chain systems
• 41 Teeth: Stock or near-stock gearing ratio depending on application, suitable for balanced street and sport riding

Vortex rear sprockets are a popular choice among street riders and racers alike for their combination of lightweight performance and long service life. The 201EZK-41 is a direct bolt-on replacement designed to precise OEM interface specifications.