Vortex 823CZR-39 Pitch Rear Sprocket Sprockets - 39-Tooth CAT5 520

The Vortex 823CZR-39 is a high-performance 39-tooth rear sprocket designed for serious motorcycle enthusiasts and racers. This CAT5 aluminum racing sprocket features a 520 chain pitch and is engineered to deliver exceptional strength while minimizing rotational weight.

Key Features:

• 39-tooth count for optimized gearing performance
• 520 pitch compatible for CAT5 chain applications
• Lightweight CNC-machined aluminum construction for reduced rotating mass
• 100% manufactured in the USA to strict quality standards
• Specially formulated aluminum alloy per Vortex specifications
• Red anodized finish (CZR designation) prevents corrosion and adds style
• Vortex patented tooth design increases sprocket longevity
• Precision-engineered tooth profile ensures optimal chain engagement and release

Vortex Racing has been manufacturing premium racing components since 1995. Each sprocket is CNC-machined to the tightest tolerances and tested on the track with feedback from professional race teams worldwide. The unique tooth geometry reduces chain wear while maximizing power transfer and drivetrain efficiency.