Vortex 427ZUV4-40 VTX Aluminum Rear Sprocket 40-Tooth

The Vortex 427ZUV4-40 is a high-performance VTX series aluminum rear sprocket featuring a 40-tooth configuration. Engineered by Vortex Racing — a trusted name in competitive and street riding — this sprocket is precision-CNC-machined from lightweight 7075-T6 aluminum for an optimal balance of strength and weight reduction.

Key Features:

• 40-Tooth rear sprocket for optimized final drive ratio
• CNC-machined 7075-T6 aluminum construction for lightweight durability
• VTX series design with precision-cut teeth for smooth, consistent chain engagement
• Hard anodized finish for corrosion resistance and extended service life
• Lightening pockets reduce rotating mass without sacrificing structural integrity
• Manufactured to OEM dimensional tolerances for a direct-fit installation

Vortex sprockets are a popular upgrade for riders looking to reduce unsprung weight and fine-tune their gearing for track or street use. The 427ZUV4-40 is designed to work with the corresponding Vortex or OEM front sprocket and standard motorcycle drive chain.