Vortex 190-63 Aluminum Rear Sprocket 63 Tooth 420 Pitch Silver

The Vortex 190-63 is a premium aluminum rear sprocket engineered for small displacement motorcycles, pit bikes, and mini bikes that use 420 pitch chain. Featuring 63 teeth, this sprocket allows riders to fine-tune their gearing for improved low-end torque and acceleration characteristics.

Key Features:

• 63 tooth configuration for 420 pitch chain applications
• Lightweight aluminum construction reduces unsprung weight
• Specially formulated aluminum alloy per Vortex specifications
• Patented tooth design increases sprocket longevity and wear resistance
• Lightening holes reduce rotating mass for improved performance
• Silver anodized finish with protective clear coating prevents oxidation
• Precision machined for accurate fit and optimal chain engagement

Vortex Racing sprockets are manufactured from high-quality 7075 T6 aluminum alloy, providing an excellent balance between strength and weight savings. The unique tooth profile design reduces wear on both the sprocket and chain, extending the service life of your entire drive system. The 420 pitch is commonly used on Honda Grom, Honda Monkey, XR50/CRF50, Kawasaki Z125, and similar mini bike applications.