Vortex 253CZB-43 525-Pitch 43-Tooth Cobalt Blue Aluminum Rear Sprocket

The Vortex 253CZB-43 is a 43-tooth, 525-pitch aluminum rear drive sprocket finished in a striking cobalt blue anodize. Part of Vortex Racing's iconic CAT5 sprocket lineup, it delivers the race-proven performance and precision that Vortex is known for worldwide.

Manufactured entirely in the USA from a specially formulated aluminum alloy per Vortex specifications, this sprocket is CNC-machined to exacting tolerances for true concentricity and reliable chain engagement. The anodized finish provides both corrosion resistance and a distinctive two-tone machined appearance.

Key Features:

• 525 pitch chain compatibility
• 43 teeth — tuned for acceleration-focused gearing
• Lightweight aluminum construction — approximately half the weight of a steel sprocket
• 100% CNC manufactured in the USA
• Specially formulated alloy per Vortex specifications
• Cobalt blue anodized finish to prevent corrosion
• Vortex patented unique tooth design increases sprocket longevity
• Iconic CAT5 two-tone machined look

Vortex Racing sprockets are trusted by top professional race teams across Motocross, Supercross, Road Racing, and Flat Track. Each component is built to the tightest tolerances with the best materials in the industry, validated through direct track feedback from world-class competitors.