Vortex 829ZR-39 CAT5 Aluminum 39-Tooth Rear Sprocket

The Vortex 829ZR-39 is a lightweight CAT5 aluminum rear sprocket engineered for motorcycle road racing and high-performance street use. Featuring 39 teeth, this sprocket is part of Vortex Racing's ZR series, which is distinguished by its vibrant anodized color finish with contrasting silver machine-cut accents — available in multiple colors to complement your bike's look.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA to precise tolerances for consistent quality
• Specially formulated alloy developed to Vortex's exact specifications for optimal strength-to-weight ratio
• Anodized finish with contrasting silver machine cuts — available in multiple colors for a custom look
• Unique patented tooth design increases sprocket longevity and chain engagement
• 39-tooth rear sprocket for fine-tuning your final drive ratio

Vortex Racing sprockets are a proven choice for racers and performance riders who demand precision-machined components built in the USA. The 829ZR-39 delivers the ideal combination of lightweight performance and long-lasting durability.