Vortex 435ZK-38 CAT5 Rear Sprocket 520 Pitch 38 Tooth Black

The Vortex 435ZK-38 CAT5 Rear Sprocket delivers precision-engineered performance for sport bike applications. Designed specifically for Yamaha YZF-R6 motorcycles from 2003-2018, this 520 pitch, 38-tooth sprocket features Vortex's premium CAT5 construction with a sleek black finish.

Key Features:

• CAT5 (Category 5) hardened aluminum construction for optimal strength-to-weight ratio
• 520 pitch chain compatibility with 38-tooth configuration
• Black anodized finish for corrosion resistance and aggressive styling
• Precision CNC-machined teeth for smooth power transfer and extended chain life
• Self-cleaning mud grooves help prevent debris buildup
• Lightening holes reduce rotational mass for improved acceleration
• Direct OEM replacement fitment for 2003-2018 Yamaha YZF-R6

Vortex CAT5 sprockets are manufactured from high-grade 7075-T6 aluminum alloy and undergo a hard-anodizing process that hardens the surface for superior wear resistance. The 38-tooth count provides excellent balance between acceleration and top-end speed, making it an ideal choice for both street and track riding. Each sprocket is manufactured to strict tolerances ensuring perfect alignment and quiet operation.