Vortex 840AZKV4-43 VTX Aluminum Rear Sprocket Sprockets - 43T

The Vortex 840AZKV4-43 is a high-performance aluminum rear sprocket from Vortex Racing, designed for riders who demand lightweight precision and durability. Machined from high-grade 7075-T6 aluminum, this 43-tooth rear sprocket delivers a noticeable reduction in unsprung and rotating mass compared to steel alternatives, resulting in improved throttle response and quicker acceleration.

Vortex sprockets are manufactured to exacting tolerances using CNC machining processes, ensuring consistent tooth geometry for smooth, quiet chain engagement and extended chain and sprocket life. The hard-anodized finish provides excellent resistance to corrosion and wear, helping the sprocket maintain its performance characteristics over time.

Key Features:

• 43-tooth rear sprocket for optimized gearing
• CNC-machined from 7075-T6 aluminum for a superior strength-to-weight ratio
• Hard-anodized finish for corrosion and wear resistance
• Precision tooth profile for smooth, reliable chain engagement
• Reduced rotating mass improves throttle response and acceleration
• Direct OEM-style fitment for straightforward installation
• Manufactured by Vortex Racing — a trusted name in motorsports

Whether you're tuning for the track or the street, the Vortex VTX aluminum rear sprocket is a proven upgrade that combines race-proven engineering with long-lasting performance. Always verify chain pitch and carrier bolt pattern compatibility before installation.