Vortex 338ZK-37 Cat5 Rear Aluminum Sprocket Black 37t

The Vortex 338ZK-37 Cat5 Rear Sprocket is a lightweight, high-performance 37-tooth rear sprocket engineered for motorcycle racing and performance street applications. Machined from premium 7075-T6 aircraft-grade aluminum, this sprocket delivers an optimal balance of strength and weight savings over a stock steel sprocket.

Key Features:

• Teeth: 37-tooth configuration for optimized gear ratio tuning
• Material: High-strength aluminum construction for significant weight reduction
• Finish: Black anodized coating for corrosion resistance and clean aesthetics
• Series: Cat5 — Vortex's dedicated competition-grade sprocket line
• Direct OEM-style fitment for easy installation with no modifications required
• Compatible with standard 520, 525, or 530 chain pitch depending on application (verify chain pitch for your fitment)

Vortex Racing is a trusted name in the powersports industry, known for producing precision-machined drivetrain components used by club racers and professional teams alike. The Cat5 series sprocket is a popular upgrade for riders looking to fine-tune acceleration, top speed, or overall drivetrain performance on track or on the street.