Vortex 920AZK-47 VTX Aluminum Rear Sprocket Pitch Sprockets - 520 47T

The Vortex 920AZK-47 is a high-performance aluminum rear sprocket from Vortex Racing's popular VTX series. Engineered for sport bike and racing applications, this sprocket delivers an optimal balance of reduced unsprung weight and proven durability on both the street and track.

Constructed from lightweight 7075-T6 aluminum with a hard anodized finish, the 920AZK-47 resists wear and corrosion while keeping rotational mass to a minimum. The hard anodized surface provides significantly greater surface hardness compared to standard anodizing, extending service life even under aggressive riding conditions.

Key Features:

• 47 teeth for enhanced acceleration and lower-end torque
• 520 pitch chain compatibility
• Machined from 7075-T6 aluminum for maximum strength-to-weight ratio
• Hard anodized finish for improved wear resistance and corrosion protection
• CNC precision machined for exact OEM fitment tolerances
• Significantly lighter than stock steel sprockets
• Available in multiple tooth counts for customized gearing

The Vortex VTX aluminum rear sprocket is a trusted upgrade for riders looking to fine-tune their motorcycle's gearing ratio. Whether optimizing for track performance or street riding, the 920AZK-47 is a direct-fit, drop-in replacement that installs with standard hand tools and no modifications.