Vortex 775ZR-43 Red 43-Tooth Aluminum Rear Sprocket 520 Pitch

The Vortex 775ZR-43 is a lightweight, high-performance aluminum rear sprocket featuring a 43-tooth count and 520 chain pitch, finished in a striking red anodized coating with contrasting silver machined accents. Engineered for serious street and track riders, this sprocket is part of Vortex Racing's CAT5 aluminum sprocket line — 100% CNC manufactured in the USA to the tightest tolerances available in the industry.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved acceleration response
• 100% CNC manufactured in the USA to precise tolerances for a perfectly concentric sprocket every time
• Specially formulated alloy per Vortex specifications — engineered for the optimal balance of weight savings and durability
• Red anodized finish with silver machined accents for corrosion resistance and aggressive styling
• Vortex patented tooth design — unique saber-tooth profile reduces friction and drag, extending both sprocket and chain life
• 43 teeth / 520 pitch — allows fine-tuning of final drive gearing for improved low-end torque or top-end performance

Vortex Racing sprockets are trusted by professional racing teams and performance riders worldwide. The 775ZR-43 is a direct bolt-on upgrade that delivers measurable performance gains over OEM steel sprockets while shedding critical rotating weight from the drivetrain.