Vortex 523ZB-43 Steel Rear Sprocket Pitch Sprockets - 523 43-Tooth Black

The Vortex 523ZB-43 is a steel rear sprocket featuring a 523 pitch and 43 teeth, finished in an electro-plated satin black coating for corrosion resistance. Engineered by Vortex Racing to meet the demands of both street and performance riding, this sprocket delivers reliable power transfer and long service life.

Key Features:

• 523 Pitch — designed for use with 523-pitch chain systems
• 43-Tooth rear sprocket for precise gear ratio tuning
• Manufactured from carbon steel alloy per Vortex specifications
• Electro-plated satin black finish to resist corrosion
• Vortex patented tooth design engineered for increased sprocket longevity
• Hardened teeth maintain strength over extended mileage
• Body cupped down from the tooth ring to reduce overall weight

Vortex Racing sprockets are trusted by riders worldwide for their precision manufacturing and durability. The 523ZB-43 is a direct-fit replacement sprocket for compatible applications requiring a 523-pitch, 43-tooth rear sprocket in a black finish.