Vortex 654AZKV4-42 Aluminum Rear Sprocket 525 Pitch 42-Tooth Silver

The Vortex 654AZKV4-42 is a 525-pitch, 42-tooth aluminum rear sprocket engineered for street and performance motorcycle applications. Precision-manufactured in the USA, this sprocket delivers a significant weight reduction over stock steel units, reducing rotating mass for improved throttle response and handling dynamics.

Key Features:

• Lightweight F5 aluminum construction — reduces rotating mass for sharper acceleration and deceleration
• 100% CNC machined in the USA — manufactured to exacting tolerances for precise concentricity and fit
• Specially formulated alloy per Vortex specifications — optimized for strength and durability
• Silver anodized finish — resists corrosion and provides a clean, high-quality appearance
• Vortex patented unique tooth design — engineered to extend sprocket longevity and reduce chain wear
• 525 pitch — compatible with standard 525-pitch chains
• 42 teeth — direct replacement or performance-tuned gearing option

Vortex Racing has over 15 years of experience manufacturing top-quality motorcycle drivetrain components trusted by professional race teams worldwide. The 654AZKV4-42 is a proven upgrade for riders seeking race-proven performance with street-reliable durability.