Vortex 452AV4-40 V4 Aluminum Rear Sprocket 40-Tooth 520-Pitch Silver

The Vortex 452AV4-40 is a lightweight aluminum rear sprocket featuring Vortex's next-generation V4 design — an evolution of the iconic CAT5 platform engineered to deliver a 10–15% reduction in weight without sacrificing structural integrity. With 40 teeth and a 520 pitch, this sprocket is an ideal choice for OEM replacements or suitable 520-size chain conversions.

Key Features:

• V4 design — Vortex's newest sprocket pattern, offering optimized weight reduction with machined faces on both sides for maximum strength
• Machined from 7075-T6 billet aluminum — half the weight of a steel sprocket, reducing rotating mass for improved throttle response
• 100% CNC manufactured in the USA to the tightest tolerances
• Specially formulated alloy per Vortex specifications for durability under race conditions
• Saber tooth grooves — patented unique tooth design that increases sprocket longevity
• Silver finish with clear coating to help prevent oxidation and corrosion
• Iconic two-tone machined look — finish is applied before cutting for a distinctive appearance

Vortex aluminum sprockets are the preferred choice for road racing, drag racing, and performance street riding where weight savings are critical. For best results, clean and tension the chain every 300–600 miles on street applications to maximize sprocket and chain life.