Vortex 641AZR-38 Aluminum Rear Sprocket 38 Tooth

The Vortex 641AZR-38 is a high-performance aluminum rear sprocket designed for serious riders who demand the perfect balance of strength and weight savings. Featuring 38 teeth and constructed from lightweight 7075-T6 aluminum alloy, this sprocket delivers exceptional durability while reducing rotational mass for improved acceleration and handling.

Key Features:

• 38-tooth configuration for optimized gearing ratios
• 7075-T6 aluminum construction for maximum strength-to-weight ratio
• CAD-designed tooth profile ensures smooth chain engagement and extended life
• Hard-anodized finish provides superior wear resistance and corrosion protection
• Self-cleaning mud groove design prevents debris buildup
• Precision CNC machined for exact fitment and concentricity

Vortex sprockets are engineered to meet or exceed OEM specifications while offering significant weight reduction compared to steel sprockets. The advanced tooth design minimizes chain wear and provides quieter operation. Perfect for street, track, or racing applications where performance matters.