Vortex 775AZK-39 CAT5 Aluminum Rear Sprocket 39 Tooth

The Vortex 775AZK-39 is a precision-engineered aluminum rear sprocket designed to deliver exceptional performance and weight savings for sport and street motorcycles. This 39-tooth rear sprocket combines Vortex's renowned CAT5 engineering with high-quality construction to enhance your bike's acceleration and handling characteristics.

Key Features:

• Constructed from aerospace-grade 7075-T6 aluminum alloy for maximum strength-to-weight ratio
• CNC-machined design ensures precise tolerances and perfect concentricity
• Hard anodized finish provides superior wear resistance and corrosion protection
• Significantly lighter than OEM steel sprockets, reducing unsprung rotational mass
• 39-tooth configuration for optimized gearing performance
• Self-cleaning tooth profile design reduces debris buildup
• Black anodized finish for a professional, race-ready appearance

Vortex sprockets are manufactured to exacting standards used by professional racing teams and championship riders worldwide. The reduced weight compared to stock steel sprockets improves throttle response, acceleration, and overall handling by decreasing rotational inertia. Each sprocket undergoes strict quality control to ensure proper fitment and long-lasting performance under demanding riding conditions.