Vortex 170ZRV4-49 VTX Aluminum Rear Sprocket 49T

The Vortex 170ZRV4-49 is a 49-tooth VTX series aluminum rear sprocket designed for performance-oriented motorcycle riders who demand lightweight, race-proven drivetrain components. Engineered and manufactured in the USA, this sprocket is a direct-fit replacement that delivers measurable weight savings over stock steel units.

Key Features:

• 49-Tooth Rear Sprocket — ideal for tuning final drive ratio for improved acceleration or top-speed optimization
• Billet Aluminum Construction — CNC-machined from high-grade aluminum alloy for an exceptional strength-to-weight ratio
• Anodized Finish — hard-coat anodizing protects against corrosion and wear while providing a clean, race-ready appearance
• Reduced Rotating Mass — lightweight aluminum design lowers unsprung weight, improving throttle response and overall handling dynamics
• 100% CNC Manufactured in the USA — precision-machined to tight tolerances for accurate chain engagement and long service life
• Direct OEM Replacement Fit — bolt-on installation with no modifications required

Vortex Racing has been a trusted name in motorcycle racing components for over 15 years, supplying parts to professional race teams competing in Motocross, Supercross, Road Racing, and Flat Track events. The 170ZRV4-49 rear sprocket is an excellent upgrade for riders looking to shed weight and refine their bike's gearing characteristics on the street or track.