Vortex 642CKV4-45 VTX Aluminum Rear Sprocket Chain Sprockets - 530 45-Tooth Silver

The Vortex 642CKV4-45 is a 45-tooth aluminum rear sprocket designed for 530 chain pitch applications. Engineered for performance riders and racers, this sprocket is manufactured to precise tolerances for consistent concentricity and long-lasting durability.

Key Features:

• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA to exacting specifications
• Specially formulated alloy developed per Vortex's proprietary specifications for optimal strength-to-weight ratio
• Silver anodized finish provides corrosion resistance and a clean appearance
• Vortex patented unique tooth profile increases sprocket longevity and promotes smooth, efficient chain engagement
• Lightening holes further reduce rotating mass without sacrificing structural integrity
• 45 teeth — ideal for riders seeking increased low-end torque and acceleration
• 530 chain pitch compatibility

Vortex Racing sprockets are trusted by professional and amateur racers worldwide. The 642CKV4-45 is a direct-fit, drop-in replacement that delivers race-proven performance on the street or track.