Vortex 314ZK-45 420 Rear Sprocket 45-Tooth Black Aluminum

The Vortex 314ZK-45 is a 45-tooth, 420-pitch black anodized aluminum rear sprocket designed for serious off-road and racing applications. CNC-machined in the USA from a specially formulated aluminum alloy to Vortex's exacting standards, this sprocket delivers a significant weight reduction over stock steel units, reducing rotating mass for improved throttle response and acceleration.

Key Features:

• 45-Tooth / 420-Pitch — direct-fit replacement for compatible motorcycles
• Lightweight aluminum construction — reduces rotating mass for improved performance
• 100% CNC manufactured in the USA from a specially formulated alloy per Vortex specifications
• Black anodized finish — corrosion-resistant and race-ready appearance
• Vortex patented tooth design — engineered for extended sprocket longevity and smooth chain engagement
• Bolt-on installation — no modifications required

The 314ZK series is purpose-built for high-performance off-road use. Paired with a fresh 420-pitch chain, this sprocket helps deliver consistent, efficient power transfer lap after lap. Vortex Racing sprockets are trusted by amateur and professional racers worldwide as a direct upgrade over factory gearing.