Vortex 826AV4-42 VTX Aluminum Rear Sprocket 42T

The Vortex 826AV4-42 is a high-performance 42-tooth aluminum rear sprocket from Vortex Racing's VTX series. Precision-machined from lightweight 7075-T6 aluminum, this sprocket delivers an ideal balance of strength and weight savings over a stock steel sprocket — a popular upgrade for sport and track riders looking to reduce unsprung rotational mass.

Key Features:

• 42-tooth rear sprocket configuration
• Machined from 7075-T6 aircraft-grade aluminum for superior strength-to-weight ratio
• Hard anodized finish for corrosion resistance and long service life
• Precision CNC-machined for consistent tooth geometry and smooth chain engagement
• Direct OEM replacement fitment — no modifications required
• Compatible with standard O-ring, X-ring, and Z-ring chains
• 826 carrier bolt pattern

Vortex Racing is a USA-based manufacturer with a long-standing reputation in the motorsports and street riding community for producing race-quality drivetrain components. The VTX aluminum rear sprocket is a straightforward bolt-on upgrade that reduces weight and allows riders to fine-tune final drive gearing for their preferred riding style or track conditions.