Vortex SR138 Aluminum Rear Sprocket

The Vortex SR138 is a high-performance aluminum rear sprocket designed for motorcycle racing and street applications. Vortex is a trusted name in the powersports industry, known for producing precision-machined sprockets that deliver reliable power transfer and long service life.

Key Features:

• Precision CNC-machined from high-strength aluminum for lightweight performance
• Hard-anodized finish for increased surface hardness and corrosion resistance
• Precision tooth geometry engineered for smooth, consistent chain engagement
• Direct OEM-style fitment for straightforward installation
• Manufactured to tight tolerances for optimal chain alignment and reduced wear

Vortex rear sprockets are a popular upgrade for riders seeking to fine-tune their final drive ratio for improved acceleration or top-speed performance. The SR138 is built to withstand the demands of both track and street use.