Vortex 427KV4-43 VTX Aluminum Rear Sprocket 43T

The Vortex 427KV4-43 is a high-performance VTX Series aluminum rear sprocket engineered for motorcycle racing and performance street applications. Manufactured by Vortex Racing, a trusted name in drivetrain components, this sprocket delivers a lightweight alternative to steel with no compromise in strength or durability.

Key Features:

• 43-tooth rear sprocket for optimized gear ratio tuning
• Precision-machined from high-grade 7075 aluminum for maximum strength-to-weight ratio
• Lightweight construction reduces unsprung and rotating mass for improved throttle response and acceleration
• Hard anodized finish for corrosion resistance and extended wear life
• CNC machined to tight tolerances for smooth, consistent chain engagement
• Designed for use with 428-pitch chain
• Direct bolt-on fitment for compatible motorcycle models

The Vortex VTX aluminum rear sprocket is a popular upgrade for riders looking to fine-tune their final drive ratio for track performance or spirited street riding. Vortex sprockets are manufactured in the USA and are a staple in club racing and professional paddocks alike.