VORTEX 1211-1822 654A-42 Aluminum Rear Sprocket Aluminum Sprocket - Silver - Rear - 42 Tooth Packing Cube Fits most #520 - #530

Fits most #520 - #530 standard and O-ring chains

Compatible cameras include Contour GPS

A two-gear set is required for gear-driven cams that do not come with secondary cam gears

All components are interchangeable with OEM parts and meet or exceed OEM specifications

VORTEX 1211-1822 654A-42 Aluminum Rear Sprocket Aluminum Sprocket - Silver - Rear - 42 Tooth Packing Cube Fits most #520 - #530Features Anodized to prevent corrosion Tooth layout specifically designed to increase sprocket longevity Specs Mounting Position Rear Color Finish Silver Tooth Count 42 Units Each Chain Size 520 Material Aluminum Type Drive Product Name Sprocket Riding Style Street