Vortex 438S-39 Steel Rear Sprocket 530 Pitch 39 Tooth Black

The Vortex 438S-39 Steel Rear Sprocket combines high-performance engineering with exceptional durability for demanding motorcycle applications. This 39-tooth sprocket features a 530 pitch configuration and is precision-engineered for sport bikes and high-performance street motorcycles.

Construction and Design:

• Manufactured from high-tensile carbon steel for maximum strength and longevity under the toughest riding conditions
• Precision-machined and induction hardened to exacting tolerances for consistent performance
• Cupped down from the tooth ring to the body to reduce rotating mass while maintaining structural integrity
• Electro-plated satin black finish provides corrosion resistance and a professional appearance
• Hardened teeth for extended service life and resistance to wear
• Laser-cut design ensures precise fitment and optimal chain engagement

Performance Benefits:

• Lightweight design reduces unsprung weight without compromising strength
• Unique tooth profile increases sprocket longevity and improves power transfer efficiency
• Optimized for racing, sport riding, and high-speed street applications
• Compatible with 530-pitch chains for reliable drivetrain performance

Vortex Racing has over 15 years of experience manufacturing top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track, and sport bike applications. Each Vortex sprocket undergoes rigorous quality control to ensure it meets the demanding standards of professional and amateur racers worldwide.