Vortex 840CZKV4-41 Aluminum Rear Sprocket 41T

The Vortex 840CZKV4-41 is a lightweight, high-performance aluminum rear sprocket with 41 teeth, engineered for sport and performance motorcycle applications. Vortex sprockets are precision CNC-machined from high-strength 7075 aluminum alloy, delivering an optimal balance of rigidity, wear resistance, and significant weight savings over stock steel sprockets.

Key Features:

• 41-Tooth rear sprocket for optimized acceleration and final drive ratio tuning
• CNC-machined from 7075 aluminum alloy for exceptional strength-to-weight ratio
• Hard anodized finish for improved surface hardness and corrosion resistance
• Precision laser-cut tooth profile for smooth, consistent chain engagement
• Lightweight construction reduces unsprung rotational mass for improved handling
• Direct OEM-style fitment — no modifications required
• Compatible with standard motorcycle drive chain specifications

Vortex Racing is a trusted name in the powersports industry, supplying sprockets to professional race teams and performance riders worldwide. The 840CZKV4-41 rear sprocket is an ideal upgrade for riders looking to fine-tune gearing, reduce drivetrain weight, or replace a worn OEM sprocket with a premium aftermarket alternative.