Vortex 641ZR-52 Rear Sprocket 52-Tooth 520 Pitch Red Aluminum

The Vortex 641ZR-52 is a high-performance rear sprocket designed for serious riders who demand both lightweight construction and durability. This 52-tooth aluminum sprocket features Vortex's distinctive red anodized finish that not only looks great but also provides corrosion protection.

Key Features:

• 100% CNC manufactured in the USA for precise tolerances and consistent quality
• Constructed from specially formulated 7075 T6 aluminum alloy for optimal strength-to-weight ratio
• Red anodized finish provides corrosion resistance and distinctive appearance
• Vortex patented CAT5 design with unique tooth profile increases sprocket longevity
• Saber tooth grooves reduce friction and improve chain engagement
• Lightweight construction reduces rotating mass for improved acceleration and handling
• 520 pitch compatible with 520 chain systems
• 52-tooth configuration for custom gearing options

Vortex Racing sprockets are the choice of professional race teams worldwide, manufactured to the tightest tolerances with premium materials. The aluminum construction is approximately half the weight of steel counterparts, making it ideal for road racing, track days, and performance street applications. Regular chain maintenance and proper tension adjustment every 300-400 miles will maximize the life of this aluminum sprocket.