Vortex 144AZR-40 CAT5 Aluminum Rear Sprocket 40-Tooth

The Vortex 144AZR-40 is a high-performance CAT5 aluminum rear sprocket featuring 40 teeth, designed for riders seeking reduced rotational weight and enhanced acceleration. Manufactured from aerospace-grade 7075 aluminum alloy, this sprocket delivers exceptional strength while significantly reducing unsprung mass compared to steel alternatives.

Key Features:

• Machined from 7075 aerospace-grade aluminum for maximum strength-to-weight ratio
• 40-tooth configuration for optimized gearing
• Vortex patented CAT5 tooth design increases sprocket longevity and prevents debris buildup
• Red anodized finish with contrasting silver machine cuts for distinctive styling
• Precision CNC-machined to tight tolerances ensuring perfect concentricity
• Saber tooth grooves reduce weight while maintaining structural integrity
• Made in the USA with race-proven quality

Vortex CAT5 sprockets are trusted by professional racers and performance enthusiasts for their superior craftsmanship, reliability under extreme conditions, and ability to fine-tune gear ratios for improved acceleration. The lightweight aluminum construction reduces rotational mass for quicker throttle response and enhanced handling characteristics. Note: Requires matching pitch front sprocket and chain (sold separately).