Vortex 615B-56 Black Aluminum 56-Tooth Rear Sprocket

The Vortex 615B-56 is a 56-tooth rear sprocket machined from high-strength 7075-T6 aluminum and finished with a hard black anodized coating for lasting corrosion resistance and a clean, aggressive look. Vortex sprockets are precision CNC-machined to exact tolerances, ensuring smooth, consistent power transfer and quiet chain operation.

Key Features:

• Tooth Count: 56 teeth
• Material: 7075-T6 aircraft-grade aluminum for a lightweight, strong construction
• Finish: Hard black anodized coating for corrosion resistance and durability
• Precision CNC-machined for exact fit and consistent chain engagement
• Direct OEM replacement — bolt-on installation with no modifications required
• Manufactured in the USA by Vortex Racing

Increasing rear sprocket tooth count provides improved low-end acceleration and throttle response, making this sprocket an ideal upgrade for riders seeking quicker off-the-line performance. The Vortex 615B-56 is a trusted choice among sport bike and track riders who demand precision-engineered drivetrain components.