Vortex 425ZK-39 Rear Sprocket 39 Tooth 425 Pitch

The Vortex 425ZK-39 is a high-quality rear sprocket designed for small-displacement motorcycles and mini bikes using 425-pitch chain systems. This precision-engineered sprocket features 39 teeth and is constructed from durable zinc-plated steel for enhanced corrosion resistance and extended service life.

Key Features:

• 39-tooth configuration for optimal gearing ratio
• 425-pitch compatibility for small displacement applications
• Zinc-plated steel construction provides rust and corrosion protection
• Precision-machined teeth ensure smooth chain engagement and reduced wear
• CNC-manufactured to tight tolerances for reliable performance

This sprocket is ideal for riders looking to replace worn components or modify final drive gearing. The zinc finish not only protects against the elements but also provides a clean, professional appearance. Vortex sprockets are manufactured to OEM specifications and quality standards, making them an excellent choice for both street and recreational use.