Vortex 642A-37 Aluminum Rear Sprocket 520 Pitch 37 Tooth Silver

The Vortex 642A-37 is a high-performance aluminum rear sprocket designed for sport bikes and performance motorcycles. This precision-engineered sprocket features 37 teeth and is designed for 520 pitch chain conversion applications.

Key Features:

• CNC machined from 7075-T6 billet aluminum for exceptional strength and lightweight performance
• Unique saber tooth groove design increases sprocket longevity and reduces wear
• Vortex patented tooth profile design for improved chain engagement and power transfer
• Silver anodized finish provides corrosion resistance and attractive appearance
• Significantly lighter than steel sprockets for reduced rotational mass and improved acceleration
• Precision machined mounting holes ensure perfect fitment

Vortex rear sprockets are designed for riders who demand the best in performance and durability. The lightweight aluminum construction reduces unsprung weight while the advanced tooth design maximizes chain life and ensures smooth power delivery. Ideal for street, track, and racing applications.