Vortex 215ZKV4-40 Aluminum Rear Sprocket 40T 520 Pitch

The Vortex 215ZKV4-40 is a high-performance aluminum rear sprocket featuring a 40-tooth configuration and 520 chain pitch compatibility. Engineered by Vortex Racing — one of the most trusted names in powersports drivetrain components — this sprocket is precision-machined from lightweight aluminum alloy for an optimal balance of strength and weight reduction.

Key Features:

• 40 Teeth — direct replacement or performance upgrade option
• 520 Chain Pitch — compatible with standard 520-series drive chains
• Lightweight Aluminum Construction — reduces unsprung and rotating mass for improved throttle response and acceleration
• Precision CNC Machined — tight tolerances ensure smooth, consistent chain engagement and long service life
• Hard Anodized Finish — resists corrosion and wear for extended durability
• Direct OEM-Style Fitment — bolt-on installation with no modifications required

Vortex sprockets are a popular choice among street riders, track day enthusiasts, and racers looking to fine-tune their gearing ratios. The ZKV4 series combines race-proven durability with a weight savings advantage over steel alternatives, making it an ideal upgrade for performance-oriented applications.