Vortex 423ZR-40 Red 40-Tooth Rear Sprocket 420 Pitch

The Vortex 423ZR-40 is a high-performance aluminum rear sprocket designed for motorcycles and pit bikes using 420 pitch chain. This lightweight racing sprocket features 40 teeth and is part of Vortex's premium CAT5 series, offering both performance and style with its red anodized finish and contrasting silver machined accents.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass for improved acceleration
• 100% CNC manufactured in the USA to precise specifications
• Specially formulated 7075-T6 aluminum alloy per Vortex specifications
• Red anodized finish with contrasting silver machine cuts for distinctive appearance
• Patented tooth design with saber tooth grooves increases sprocket longevity
• Lightening holes further reduce weight without compromising strength
• 420 chain pitch with 40 teeth

Vortex Racing sprockets are the preferred choice of professional racers and enthusiasts who demand precision engineering and exceptional durability. The 420 pitch size is commonly used on mini bikes and pit bikes, including popular models like the Honda Grom, Honda Monkey, XR50/CRF50, and Kawasaki Z125. The lightweight aluminum construction helps put more power to the pavement while the unique tooth profile ensures extended service life.