Vortex 423ZB-40 Steel Rear Sprocket Pitch Sprockets - 420 40-Tooth Black

The Vortex 423ZB-40 is a 40-tooth, 420-pitch steel rear sprocket finished in black to deliver a combination of durability, corrosion resistance, and performance for street and off-road motorcycle applications. Engineered to Vortex's exacting standards, this sprocket is a reliable replacement or upgrade over stock gearing.

Key Features:

• 420 Pitch: Designed to pair with standard 420-pitch chains for precise fitment and smooth power transfer
• 40-Tooth Count: Maintains stock-equivalent gearing ratios on compatible applications for balanced acceleration and top speed
• Carbon Steel Construction: Manufactured from carbon steel alloy per Vortex specifications for strength and longevity
• Black Electro-Plate Finish: Satin black finish helps prevent corrosion and provides a clean, stealthy appearance
• Patented Tooth Design: Vortex's unique tooth profile extends sprocket life compared to conventional designs
• 100% compatible with Vortex and OEM-spec 420 chains

Vortex Racing has been manufacturing high-performance motorcycle drivetrain components in the USA for over 25 years, trusted by professional race teams and everyday riders alike. The 423ZB-40 is an ideal direct replacement for worn OEM sprockets or for riders seeking to maintain factory gearing with improved build quality.