Vortex 314ZB-57 CAT5 520 Rear Sprocket Black 57-Tooth

The Vortex 314ZB-57 is a CAT5 series 520-pitch rear sprocket featuring a 57-tooth count in a satin black anodized finish. Designed as a direct OEM replacement or performance upgrade, this sprocket is 100% CNC-manufactured in the USA from a specially formulated aluminum alloy per Vortex specifications.

Key Features:

• CAT5 Series Design: Color anodized finish with contrasting silver machine-cut highlights on a black base
• 520 Chain Pitch: Compatible with OEM 520 applications or suitable 520 conversion setups
• 57 Teeth: Higher tooth count for increased low-end torque and acceleration response
• CNC Machined: Manufactured in the U.S.A. to the tightest tolerances for precise concentricity
• Proprietary Alloy: Specially formulated aluminum per Vortex specifications for optimal strength-to-weight ratio
• Patented Tooth Design: Unique saber-tooth groove profile increases sprocket longevity and improves chain engagement
• Reduced Rotating Mass: Lightweight aluminum construction reduces rotational inertia compared to OEM steel sprockets

Vortex Racing sprockets are trusted by professional race teams worldwide and are the benchmark for performance drivetrain components in road racing, supercross, and motocross applications. The 314ZB-57 is an ideal choice for riders seeking a larger rear sprocket for improved acceleration and a more aggressive gear ratio.