Vortex 190ZR-50 Steel Rear Sprocket 50T 190mm Bolt Circle

The Vortex 190ZR-50 is a high-quality steel rear sprocket featuring a 50-tooth configuration and a 190mm bolt circle diameter, engineered for sport bikes and performance street riders seeking reliable, long-lasting drive train components. Vortex is a trusted name in the powersports industry, known for precision-manufactured sprockets that meet or exceed OEM standards.

Key Features:

• 50 Teeth — provides an ideal balance of acceleration and top-end performance
• 190mm Bolt Circle Diameter — direct OEM-style fitment for compatible sport bike applications
• ZR Series Steel Construction — durable steel material for extended service life under demanding riding conditions
• Precision CNC-machined for consistent chain engagement and smooth power transfer
• Compatible with standard 520, 525, or 530 pitch chains depending on application (verify chain pitch for your specific fitment)
• Black oxide or natural steel finish for corrosion resistance

Vortex sprockets are designed to deliver consistent performance whether on the street or the track. The 190ZR-50 is a popular choice for riders looking to fine-tune their gearing setup for improved low-end torque and acceleration response.