Vortex 775AZBV4-42 VTX Aluminum Rear Sprocket 42T

The Vortex 775AZBV4-42 is a 42-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for performance street and track riders who demand precision and reduced unsprung weight. Machined from high-grade 7075 aluminum and finished with a hard anodized coating, this sprocket delivers excellent wear resistance while dramatically reducing rotational mass compared to a stock steel sprocket.

Key Features:

• 42-Tooth rear sprocket for optimized acceleration and throttle response
• Machined from lightweight 7075 aluminum for maximum strength-to-weight ratio
• Hard anodized finish for corrosion resistance and extended service life
• Precision CNC-machined teeth for smooth, consistent chain engagement
• Direct OEM-style bolt-on fitment — no modifications required
• Designed for the BV4 carrier/bolt pattern application
• Reduced unsprung and rotational mass for improved handling and acceleration

Vortex Racing is a trusted name in the powersports industry, supplying sprockets to professional racing teams and performance street riders worldwide. The VTX aluminum rear sprocket line is manufactured to exacting tolerances to ensure long-lasting, reliable performance on both the street and the track.