Vortex 825ZGV4-42 VTX Aluminum Rear Sprocket 42T Green

The Vortex 825ZGV4-42 is a high-performance 42-tooth aluminum rear sprocket from Vortex's VTX series, engineered for serious street and track riders demanding lightweight precision components. Machined from aerospace-grade 7075 aluminum and finished with a striking green hard anodized coating, this sprocket delivers an excellent strength-to-weight ratio over heavy steel alternatives while resisting corrosion and wear.

Key Features:

• 42 Teeth — direct replacement count for stock gearing or custom ratio tuning
• 520 Chain Pitch — compatible with standard 520-series drive chains
• 7075 Aerospace Aluminum Construction — significantly lighter than OEM steel sprockets
• Green Hard Anodized Finish — durable, corrosion-resistant surface treatment with a distinctive appearance
• CNC Machined — tight tolerances for smooth, quiet chain engagement and extended service life
• VTX Series Design — Vortex's purpose-built street and sport bike sprocket line

Vortex Racing is a trusted name in the powersports aftermarket, producing sprockets, clip-ons, rearsets, and other precision components for street, track day, and racing applications. The 825ZGV4-42 is a bolt-on upgrade that reduces unsprung and rotating mass for improved throttle response and acceleration feel.