Vortex 438ZK-38 CAT5 Rear Sprocket Black 38 Tooth 530 Pitch Aluminum

The Vortex 438ZK-38 CAT5 rear sprocket delivers race-proven performance and durability for 530 pitch applications. This premium aluminum racing sprocket features Vortex's patented CAT5 design with black anodizing and contrasting silver machined accents for a bold, distinctive appearance.

Key Features:

• 38-tooth configuration for 530 pitch chain applications
• Lightweight aluminum construction reduces rotating mass for improved acceleration
• 100% CNC manufactured in the USA to the tightest tolerances
• Proprietary saber tooth groove design increases sprocket longevity
• Black anodizing excludes sweeps, mud grooves, and teeth for bright silver highlights
• Specially formulated aluminum alloy per Vortex specifications
• Fits Yamaha R1 and select Suzuki GSX-R1000 models (530 conversion)

Vortex Racing sprockets are the racer's choice, trusted by professional race teams worldwide. The CAT5 series combines lightweight performance with extended durability, making it ideal for both street and track applications. Each sprocket is precision-machined with hardened teeth for reliable power transfer and long service life.