Vortex 313ZB-42 Black 42-Tooth 530-Pitch Steel Rear Sprocket

The Vortex 313ZB-42 is a 42-tooth, 530-pitch steel rear sprocket finished in an electro-plated satin black coating for corrosion resistance. Precision-manufactured in the USA, this sprocket is built to Vortex's exacting tolerances and is a trusted choice for street and performance motorcycle riders looking to replace worn OEM drivetrain components.

Key Features:

• 42 teeth — 530 chain pitch rear sprocket
• Carbon steel alloy construction per Vortex specifications for maximum strength and durability
• Electro-plated satin black finish to prevent corrosion
• 100% CNC machined in the U.S.A. for precise tolerances and concentricity
• Vortex patented tooth design engineered for superior chain hold and release, maximizing wear resistance and sprocket longevity
• Induction-hardened teeth to reduce surface wear under heavy load

Vortex steel rear sprockets offer outstanding longevity compared to aluminum alternatives, making them an ideal choice for high-mileage street riders and those running demanding applications. The 313ZB-42 is a direct OEM-style replacement designed to restore optimal power transfer and drivetrain performance.