Vortex 170ZR-50 VTX Aluminum Rear Sprocket 50-Tooth

The Vortex 170ZR-50 is a high-performance 50-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for sport bike and motorcycle applications demanding precision and reduced rotational mass. Machined from lightweight aluminum alloy, this sprocket delivers a noticeable reduction in unsprung weight compared to standard steel sprockets, helping improve throttle response and overall drivetrain performance.

Key Features:

• 50-tooth rear sprocket for optimized acceleration and gearing
• Lightweight aluminum construction reduces unsprung weight vs. steel alternatives
• CNC-machined for tight tolerances and precise chain engagement
• Part of the VTX series — Vortex's performance-focused sprocket line
• Hard-anodized finish for increased surface hardness and corrosion resistance
• Direct OEM-style fitment for straightforward installation

The Vortex VTX aluminum rear sprocket is a popular upgrade for track day riders and street performance enthusiasts looking to fine-tune their bike's gearing ratio. As a trusted name in motorcycle drivetrain components, Vortex manufactures its sprockets to meet demanding race and street standards.