Vortex 190ZB-39 Rear Sprocket 39 Tooth 520 Pitch

The Vortex 190ZB-39 is a high-quality rear sprocket designed for 520 pitch chain applications. Constructed from heat-treated SCM415 chromoly steel, this sprocket delivers exceptional strength and wear resistance for demanding motorcycle use.

Key Features:

• 39-tooth configuration for optimized gearing
• 520 pitch compatible for standard and performance chains
• Zinc-plated finish provides corrosion resistance and extended life
• CNC-machined from premium chromoly steel alloy
• Heat-treated construction ensures durability under high-stress conditions
• Precision manufacturing maintains tight tolerances for smooth power transfer

Vortex sprockets are engineered to meet or exceed OEM specifications while offering superior value. The zinc coating protects against rust and oxidation, making this sprocket ideal for both street and track applications. Each sprocket undergoes rigorous quality control to ensure consistent performance and long service life.