Vortex 511ZK-47 CAT5 Aluminum Rear Sprocket 520 Pitch 47-Tooth Black

The Vortex 511ZK-47 is a CAT5 series aluminum rear sprocket featuring a 520 pitch and 47 teeth, finished in an anodized black with contrasting silver machined highlights. Engineered for motorcycle street and track applications, this sprocket delivers an ideal balance of lightweight performance and durability.

Key Features:

• CAT5 aluminum construction — anodized first, then CNC machined for a trick black-and-silver appearance
• 520 pitch — compatible with standard 520-series chain setups
• 47-tooth rear sprocket — for fine-tuning gear ratios and acceleration characteristics
• 100% CNC manufactured in the USA — machined to tight tolerances for concentricity and precise fit
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Vortex patented unique tooth design — engineered for maximum chain engagement, smooth release, and extended sprocket life
• Anodized black finish with silver machined accents — corrosion-resistant and visually distinctive

Vortex Racing sprockets are trusted by champions on both the street and the track. The 511ZK-47 is an excellent choice for riders looking to optimize their drivetrain performance with a lightweight, precision-crafted sprocket that outperforms OEM components.