Vortex 526AZKV4-40 VTX Aluminum Rear Sprocket Pitch Sprockets - 40T 520

The Vortex 526AZKV4-40 is a high-performance VTX Series aluminum rear sprocket engineered for sport and street motorcycle applications. Featuring a 40-tooth count and designed for use with a 520 pitch chain, this sprocket delivers an excellent balance of performance and weight savings over stock steel units.

Key Features:

• 40-Tooth rear sprocket configuration for optimized power delivery and gearing
• 520 Chain Pitch compatibility for seamless integration with standard sport bike drivetrain setups
• Manufactured from lightweight, high-strength aluminum alloy to reduce unsprung rotational mass
• Hard anodized finish for enhanced corrosion resistance and long service life
• CNC-machined for precise tolerances and consistent fit
• Direct OEM replacement fitment — no modifications required
• Part of the Vortex VTX series, designed for performance street and track use

Vortex Racing is a trusted name in the motorcycle drivetrain industry, known for producing precision-machined sprockets that meet or exceed OEM specifications. The 526AZKV4-40 is a bolt-on upgrade that reduces rear wheel weight while maintaining reliable power transfer.