Vortex 423ZR-42 ZR Series 42-Tooth Rear Sprocket 423 Pitch Aluminum

The Vortex 423ZR-42 is a 42-tooth ZR Series rear sprocket designed for motorcycles running a 423 pitch chain. Built for riders who demand race-proven performance and eye-catching style, this sprocket delivers a winning combination of lightweight construction and exceptional durability.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA — precision machined to the tightest tolerances
• Specially formulated alloy per Vortex specifications — engineered for the demands of racing and high-performance street riding
• Vortex patented saber-tooth groove design — unique tooth profile increases sprocket longevity and sets it apart from any other sprocket on the market
• Anodized color finish — available in multiple colors with contrasting silver machine-cut highlights for a premium appearance
• 423 chain pitch compatible — designed to work seamlessly with 423 pitch drive chains
• 42-tooth rear sprocket — provides optimal gearing for the intended application

Vortex Racing has been a trusted name in motorcycle performance components for over 15 years, with products tested and validated by top professional race teams worldwide. The 423ZR-42 rear sprocket is a direct upgrade over OEM parts, offering enhanced performance, reduced weight, and race-ready aesthetics right out of the box.