Vortex 454ZKV4-42 VTX Aluminum Rear Sprocket 42T

The Vortex 454ZKV4-42 is a lightweight aluminum rear sprocket engineered as a high-performance replacement for demanding street and track applications. Vortex Racing is a trusted name in the powersports industry, known for precision-machined sprockets that deliver consistent power transfer and extended service life.

Key Features:

• 42 Teeth — optimized tooth count for balanced acceleration and top-speed performance
• Lightweight Aluminum Construction — reduces unsprung rotational mass for improved throttle response and handling
• Precision CNC Machined — tight tolerances ensure smooth, quiet chain engagement and consistent wear patterns
• Hard Anodized Finish — provides corrosion resistance and surface hardness for extended sprocket life
• OEM-Style Bolt Pattern — direct bolt-on fitment with no modifications required
• VTX Series Design — features Vortex's proven tooth profile geometry for reliable chain retention

Vortex aluminum rear sprockets are a popular upgrade for riders looking to reduce drivetrain weight without sacrificing durability. The 454ZKV4-42 is manufactured to exacting standards and is a straightforward replacement that installs using standard hand tools.