Vortex 920AZK-40 VTX Aluminum Rear Sprocket Pitch Sprockets - 40T 520

The Vortex 920AZK-40 is a high-performance VTX series aluminum rear sprocket designed as a direct OEM replacement or upgrade for sport and street motorcycles. Manufactured from lightweight 7075-T6 or 6061-T6 aluminum alloy with a hard anodized finish, this sprocket delivers an excellent strength-to-weight ratio while resisting corrosion and wear over extended use.

Key Features:

• 40-Tooth rear sprocket configuration
• 520 chain pitch compatibility
• Lightweight aluminum construction reduces unsprung rotational mass for improved acceleration and handling
• Hard anodized finish for enhanced durability and corrosion resistance
• CNC-machined to precise tolerances for smooth, reliable chain engagement
• Direct bolt-on fitment — no modifications required
• Part of Vortex's trusted VTX sprocket lineup

Vortex Racing is a well-established manufacturer in the powersports industry, known for producing precision-machined drivetrain components used by both professional racers and street riders. The 920AZK-40 is an ideal choice for riders looking to reduce drivetrain weight without sacrificing durability or performance.