Vortex 920AZB-45 VTX Aluminum Rear Sprocket 45-Tooth Black Anodized

The Vortex 920AZB-45 is a 45-tooth aluminum rear sprocket designed for serious street and track riders who demand lightweight performance without sacrificing durability. Part of Vortex Racing's proven VTX aluminum sprocket lineup, this sprocket is engineered as a direct-fit replacement or performance upgrade over heavy OEM steel sprockets.

Key Features:

• Material: CNC-machined from high-strength 7075-T6 aerospace-grade aluminum for an optimal strength-to-weight ratio
• Finish: Black anodized (AZB) coating for corrosion resistance and aggressive appearance
• Tooth Count: 45 teeth — ideal for riders seeking improved low-end torque and acceleration
• Precision Manufacturing: 100% CNC-machined in the USA to tight tolerances for consistent chain engagement and long service life
• Weight Savings: Significantly lighter than OEM steel sprockets, reducing rotating mass for improved throttle response and handling
• Gunk-Clearing Design: Tooth profile and relief cuts help shed dirt and debris, extending sprocket and chain life

Vortex Racing is a trusted name among professional race teams and performance enthusiasts. The 920AZB-45 delivers race-proven quality in a sprocket that performs equally well on the street or the circuit. Always replace the chain and front sprocket together for maximum drivetrain longevity.