Vortex 840ZBV4-42 VTX Aluminum Rear Sprocket 42T

The Vortex 840ZBV4-42 is a 42-tooth VTX series aluminum rear sprocket designed for high-performance motorcycle applications. Machined from lightweight 7075-T6 aluminum alloy, this sprocket delivers a significant weight savings over OEM steel sprockets without sacrificing durability or performance.

Key Features:

• 42 Teeth — Direct replacement or performance-tuned gearing option
• VTX Series — Vortex's premium aluminum sprocket line, precision CNC-machined
• 7075-T6 Aluminum Construction — High-strength alloy offering excellent wear resistance and reduced unsprung weight
• Hard Anodized Finish — Protects against corrosion and extends service life
• Precision CNC Machined — Tight tolerances for smooth, consistent chain engagement
• Direct OEM Replacement Fit — Bolt-on installation with no modifications required

Vortex Racing is a trusted name in the powersports industry, known for producing competition-grade drivetrain components. The 840ZBV4-42 rear sprocket is an ideal upgrade for riders looking to reduce rotating mass and fine-tune their gearing for track or street performance.