Vortex 438AV4-40 Aluminum Rear Sprocket Chain Sprockets - 530 40T

The Vortex 438AV4-40 is a lightweight aluminum rear sprocket engineered for performance motorcycle applications. Designed as a direct-fit replacement or performance upgrade, this 40-tooth sprocket is built for the 530 chain pitch and features Vortex's signature precision construction.

Key Features:

• 100% CNC manufactured in the USA for precise tolerances and consistent concentricity
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Anodized finish helps resist corrosion and provides a distinctive appearance
• Unique tooth profile engineered to extend sprocket longevity and improve chain engagement
• Lightening holes reduce rotating mass for improved throttle response and acceleration
• Vortex patented sprocket design sets it apart from standard replacement sprockets
• 40 teeth / 530 chain pitch

Vortex rear sprockets are a trusted choice among racers and performance riders. Reducing rotating mass with lightweight aluminum construction directly contributes to improved acceleration, deceleration, and directional response. The 438AV4-40 delivers race-proven engineering in a bolt-on rear sprocket package.