Vortex 452AV4-42 Aluminum Rear Sprocket 42-Tooth 520-Pitch

The Vortex 452AV4-42 is a lightweight, high-performance aluminum rear sprocket featuring a 42-tooth count and 520-pitch chain compatibility. Designed for serious street and track riders, this sprocket is built to reduce rotating mass and improve throttle response without sacrificing durability.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved acceleration and deceleration
• 100% CNC machined in the U.S.A. — precision-engineered to the tightest tolerances
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Saber tooth groove design — Vortex patented tooth profile that increases sprocket longevity
• Anodized finish — corrosion-resistant surface treatment for long-lasting appearance
• 42 teeth / 520 pitch — compatible with 520-size OEM replacements or suitable 520 conversions

Manufactured by Vortex Racing, a U.S.-based company with over 15 years of experience producing top-quality motorcycle racing components for Road Racing, Motocross, Supercross, and Flat Track. Each sprocket is tested with direct feedback from professional race teams worldwide, ensuring race-proven reliability on the street or track.