Vortex 803AZK-39 CAT5 Aluminum Rear Sprocket 39 Tooth Black

The Vortex 803AZK-39 is a high-performance 39-tooth rear sprocket engineered for riders who demand precision and durability. This sprocket is part of Vortex's CAT5 series, featuring aerospace-grade 7075 aluminum construction that delivers exceptional strength while significantly reducing rotational mass for improved acceleration and performance.

Key Features:

• 39-tooth count for customized gear ratios
• CNC machined from 7075 aerospace-grade aluminum
• Black anodized finish provides corrosion resistance and a sleek appearance
• Patented tooth design increases sprocket longevity
• Lightweight construction reduces unsprung weight
• Precision manufactured in the USA to tight tolerances
• Trusted by professional racing teams worldwide

Vortex Racing sprockets are designed for optimal power transfer and are used by top professional riders in Motocross, Supercross, and Road Racing. The CAT5 series combines race-proven performance with extended service life, making it ideal for both track and street applications.