Vortex 347ZK-46 CAT5 46-Tooth Black Hardcoat Aluminum Rear Sprocket

The Vortex 347ZK-46 is a 46-tooth CAT5 aluminum rear sprocket finished in a durable black hardcoat anodizing. Engineered for performance-oriented riders, this sprocket is 100% CNC-machined in the USA from a specially formulated aluminum alloy developed to Vortex's proprietary specifications, delivering an exceptional balance of strength and reduced rotating mass.

Key Features:

• CAT5 Lightweight Aluminum Construction — Reduces rotating mass for improved throttle response and acceleration
• 100% CNC Manufactured in the USA — Machined to precise tolerances for concentricity and consistent chain engagement
• Black Hardcoat Anodized Finish — Hard anodizing provides superior wear and corrosion resistance over standard anodizing
• Patented Saber Tooth Groove Design — Vortex's unique tooth profile increases sprocket longevity and reduces chain wear
• 46 Teeth — Adds low-end torque and improves acceleration response versus stock gearing
• Specially Formulated Alloy — Proprietary Vortex aluminum blend optimized for strength-to-weight ratio

The Vortex 347ZK rear sprocket is a direct bolt-on upgrade designed to replace the OEM rear sprocket. The black hardcoat finish with contrasting silver machined highlights gives the drivetrain a clean, race-inspired appearance. Whether tuning for the track or street, the 347ZK-46 is a proven choice for riders seeking a lightweight, durable sprocket upgrade.