Vortex 438AV4-43 VTX Aluminum Rear Sprocket 43-Tooth

The Vortex 438AV4-43 is a 43-tooth aluminum rear sprocket from Vortex's VTX series, engineered for performance-oriented riders seeking a lightweight alternative to stock steel sprockets. Machined from high-grade 7075-T6 aluminum, this sprocket delivers an excellent strength-to-weight ratio that reduces unsprung rotating mass for improved throttle response and acceleration.

Key Features:

• 43-tooth rear sprocket for tunable gearing options
• Manufactured from 6061 or 7075-T6 aluminum for lightweight durability
• Hard anodized finish for corrosion resistance and extended wear life
• CNC machined to tight tolerances for precise chain engagement
• Compatible with 428-pitch drive chains
• Bolt pattern designed for direct OEM fitment — no modifications required
• Significant weight savings over stock steel sprockets

Vortex Racing is a trusted name in the powersports industry, known for producing precision-machined drivetrain components used by both street and track riders. The 438AV4-43 rear sprocket is a direct bolt-on upgrade that allows riders to fine-tune their final drive ratio for improved low-end torque or top-end speed depending on application.