Vortex 609-42 Aluminum Rear Sprocket 520 Pitch 42 Tooth Silver

The Vortex 609-42 is a lightweight aluminum racing rear sprocket featuring 42 teeth and 520 pitch, designed to deliver improved performance through reduced rotating mass. This premium sprocket is CNC-machined in the USA from aerospace-grade aluminum alloy formulated to Vortex's exacting specifications.

Key Features:

• 42-tooth count for customized gearing options
• 520 pitch chain compatibility
• 100% CNC manufactured in the USA from specially formulated aluminum alloy
• Silver anodized finish prevents corrosion and oxidation
• Patented tooth design increases sprocket longevity
• Significantly lighter than OEM steel sprockets for improved acceleration and handling
• CAT5 design with iconic two-tone machined appearance

Vortex aluminum sprockets are engineered for maximum strength-to-weight ratio, making them ideal for road racing, track days, and performance street applications. The clear anodized coating is applied before machining to create the distinctive two-tone look while protecting against the elements. Regular chain maintenance every 300-400 miles is recommended to maximize sprocket lifespan.