Vortex 211K-39 Aluminum Rear Sprocket 39 Tooth 520 Pitch Silver

The Vortex 211K-39 is a high-performance aluminum rear sprocket designed for motorcycle chain drive systems. This lightweight sprocket features 39 teeth and is engineered for 520 pitch chain applications, making it ideal for sport bikes and performance motorcycles.

Key Features:

• CNC machined from 7075-T6 aluminum alloy for exceptional strength-to-weight ratio
• 39 tooth count for precise gearing options
• 520 pitch compatible for standard sport bike chains
• Silver anodized finish for corrosion resistance and durability
• Precision engineered to Vortex specifications for optimal chain engagement
• Significantly lighter than steel sprockets for reduced rotating mass

Vortex sprockets are manufactured using specially formulated aluminum alloys and feature a patented design that ensures proper chain alignment and extended service life. The lightweight construction reduces unsprung weight while maintaining the durability needed for demanding riding conditions.