Vortex 438KV4-47 Aluminum Rear Sprocket Chain Pitch Sprockets - 47T 530

The Vortex 438KV4-47 is a 47-tooth, 530-pitch aluminum rear sprocket engineered for motorcycle road racing and performance street riding. CNC-machined from a specially formulated aluminum alloy to Vortex's exacting specifications, this sprocket delivers an optimal balance of strength and reduced rotating mass for improved throttle response and drivetrain efficiency.

Key Features:

• 530 Chain Pitch — Compatible with standard 530-series drive chains
• 47-Tooth Configuration — Tuned tooth count for acceleration-focused gearing
• 7075-T6 Billet Aluminum Construction — Lightweight material reduces unsprung and rotating mass for improved acceleration, deceleration, and directional changes
• 100% CNC Manufactured in the USA — Machined to tight tolerances for precise chain engagement and consistent performance
• Silver Anodized Finish — Corrosion-resistant anodizing protects the aluminum surface and maintains appearance over time
• Patented Vortex Tooth Design — Unique tooth geometry promotes longer sprocket and chain lifespan through optimized engagement
• Race-Proven Performance — Tested and trusted by professional race teams across Motocross, Supercross, Road Racing, and Flat Track disciplines

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA for over 15 years. Each component is built to the tightest tolerances using premium materials, with direct feedback from elite professional race teams worldwide. The 438KV4-47 rear sprocket is a direct-fit, performance upgrade over stock that delivers measurable gains in drivetrain response.