Vortex 170ZG-49 VTX Aluminum Rear Sprocket 49T

The Vortex 170ZG-49 is a high-performance 49-tooth aluminum rear sprocket from Vortex Racing's popular VTX series. Precision-machined from lightweight 7075-T6 aluminum alloy, this sprocket delivers an ideal balance of strength, durability, and weight savings over a stock steel sprocket.

Key Features:

• 49 teeth for optimized final drive ratio and acceleration
• Machined from 7075-T6 aluminum alloy for superior strength-to-weight ratio
• Hard anodized finish for increased surface hardness and corrosion resistance
• Precision CNC-machined for consistent tooth profile and chain engagement
• Lightening holes reduce rotational mass for improved throttle response
• Direct OEM replacement fitment — no modifications required
• Compatible with standard O-ring, X-ring, and Z-ring chains

The Vortex VTX aluminum rear sprocket is a popular upgrade for street, track, and sport riders looking to reduce unsprung weight and fine-tune their bike's gearing. Vortex is a trusted name in the powersports industry, known for producing race-quality drivetrain components that meet or exceed OEM standards.