Vortex 810CZR-39 CAT5 Rear Sprocket 39 Tooth 520 Pitch

The Vortex 810CZR-39 is a high-performance CAT5 CZR aluminum rear sprocket designed for 520 pitch chains with 39 teeth. Manufactured from lightweight 7075-T6 aluminum alloy, this sprocket delivers exceptional strength while reducing rotational mass for improved acceleration and handling.

Key Features:

• 39 tooth configuration for 520 pitch chain applications
• CNC-machined from 7075-T6 aircraft-grade aluminum
• Hard-anodized finish for enhanced wear resistance and durability
• Self-cleaning mud grooves prevent debris buildup
• Lightweight design reduces unsprung weight
• Precision-cut teeth ensure smooth chain engagement

Vortex CAT5 sprockets are engineered for racers and performance enthusiasts who demand the ultimate in weight savings without compromising strength. The hard-anodized surface treatment significantly extends sprocket life compared to untreated aluminum, while the precision manufacturing ensures perfect chain alignment and reduced wear on your drive system.