Vortex 920ZR-45 VTX Aluminum Rear Sprocket Chain Sprockets - 45-Tooth 520

The Vortex 920ZR-45 VTX Aluminum Rear Sprocket is a high-performance replacement rear sprocket engineered for sport and street motorcycle applications. Manufactured by Vortex Racing, a leader in precision powersports components, this sprocket is CNC-machined from lightweight 7075-T6 aluminum alloy for an optimal balance of strength and weight savings over a stock steel sprocket.

Key Features:

• 45-Tooth rear sprocket for adjustable gearing and acceleration tuning
• 520 Chain Pitch — compatible with 520-series drive chains
• CNC-machined from 7075-T6 aluminum for superior strength-to-weight ratio
• Hard anodized finish for corrosion resistance and long service life
• Precision-cut teeth for smooth, quiet chain engagement and reduced wear
• Direct OEM-style bolt pattern for straightforward installation
• Significant weight reduction compared to stock steel sprockets

The Vortex VTX series sprocket is a popular upgrade for riders looking to fine-tune their bike's power delivery and throttle response. The 45-tooth count provides a balance between low-end torque and top-end speed, making it well suited for both street riding and track use. Vortex sprockets are made in the USA and backed by the brand's reputation for quality and precision in the powersports industry.