Vortex 920ZK-46 Aluminum Rear Sprocket 46-Tooth

The Vortex 920ZK-46 is a high-performance 46-tooth aluminum rear sprocket designed for riders who demand precision, durability, and reduced rotating mass. Engineered by Vortex Racing — a trusted name in motorcycle drivetrain components — this sprocket is CNC-machined from lightweight aircraft-grade aluminum alloy for an optimal balance of strength and weight savings.

Key Features:

• 46-Tooth Rear Sprocket — ideal for fine-tuning acceleration and final drive ratio
• Lightweight Aluminum Construction — significantly reduces unsprung and rotating weight compared to steel sprockets
• CNC-Machined Precision — ensures accurate tooth geometry and consistent chain engagement
• Hard Anodized Finish — provides enhanced surface hardness and corrosion resistance for extended service life
• ZK Carrier Series — matches Vortex ZK-series sprocket carrier hubs for a direct bolt-on fitment
• Manufactured to OEM and race-level tolerances — suitable for street, track day, and competitive racing applications

The Vortex 920ZK-46 rear sprocket is a direct replacement or performance upgrade for riders looking to optimize their motorcycle's power delivery and drivetrain efficiency. Compatible with Vortex ZK-series rear sprocket carriers, this sprocket pairs seamlessly with Vortex chains and front sprockets for a complete drivetrain solution.