Vortex 604-39 Silver 39-Tooth Rear Sprocket

The Vortex 604-39 is a 39-tooth silver rear sprocket designed for motorcycle powersports applications. Manufactured in the USA, this sprocket is CNC-machined from a specially formulated aluminum alloy engineered to Vortex's exacting specifications and finished with a silver anodized coating to resist corrosion and maintain appearance over time.

Vortex has been producing high-performance racing components since 1995, and their sprocket lineup reflects that heritage. The 604-39 features Vortex's patented tooth geometry, which is engineered to reduce chain wear and extend the service life of both the sprocket and drive chain compared to conventional designs.

Key Features:

• 39-tooth rear sprocket for precise gear ratio tuning
• 100% CNC manufactured in the USA to tight tolerances
• Lightweight aluminum construction using a specially formulated alloy per Vortex specifications
• Silver anodized finish for corrosion resistance and a clean appearance
• Patented tooth design engineered to increase sprocket longevity and reduce chain wear
• Part of the Vortex 604 series sprocket carrier fitment

The Vortex 604-39 rear sprocket is an ideal choice for riders seeking a reliable, race-proven replacement or upgrade sprocket that delivers consistent performance on both the street and track.