Vortex 526ZRV4-43 VTX Aluminum Rear Sprocket Pitch Sprockets - 43T 520

The Vortex 526ZRV4-43 is a high-performance 43-tooth aluminum rear sprocket designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Engineered by Vortex Racing — a trusted name in competitive and street riding — this sprocket is precision-machined from 7075-T6 aircraft-grade aluminum and features a hard anodized coating for enhanced durability and corrosion resistance.

The sprocket is designed for use with a 520 pitch chain, making it a popular choice for riders looking to reduce unsprung rotational weight compared to heavier steel sprockets. The lightweight aluminum construction contributes to improved throttle response and acceleration feel without sacrificing reliability under normal street and track conditions.

Key Features:

• 43 Teeth — Direct replacement tooth count for compatible applications
• 520 Chain Pitch — Compatible with standard 520-series drive chains
• 7075-T6 Aircraft-Grade Aluminum — Lightweight yet strong construction
• Hard Anodized Finish — Provides corrosion resistance and extended wear life
• CNC Machined — Precision manufacturing for accurate fitment and smooth chain engagement
• Reduced Unsprung Weight — Improves throttle response versus heavier steel sprockets
• Vortex VTX Series — Designed for both street and performance riding applications

The Vortex VTX aluminum rear sprocket is a proven upgrade for riders seeking reduced drivetrain weight and a precise, quality-built component backed by Vortex's racing heritage.