Vortex 825AV4-43 VTX Aluminum Rear Sprocket Pitch Sprockets - 43T 525

The Vortex 825AV4-43 VTX Aluminum Rear Sprocket is a high-performance, lightweight rear sprocket engineered for sport and racing motorcycle applications. Machined from aerospace-grade 7075-T6 aluminum, this sprocket delivers a significant weight savings over stock steel sprockets without sacrificing strength or durability.

Key Features:

• Tooth Count: 43 teeth
• Chain Pitch: 525
• Material: 7075-T6 aerospace-grade aluminum
• Hard anodized finish for corrosion resistance and extended wear life
• CNC machined to tight tolerances for precise fitment and smooth chain engagement
• Lightening holes reduce rotational mass for improved throttle response and acceleration
• Direct bolt-on replacement — no modifications required
• Manufactured by Vortex Racing, a trusted name in aftermarket motorcycle drivetrain components

The Vortex VTX series sprocket is a popular upgrade for riders looking to fine-tune their gearing for track days or spirited street riding. The hard-anodized aluminum construction resists wear and corrosion while keeping unsprung and rotating weight to a minimum. Compatible with standard 525-pitch drive chains.