Vortex 120ZB-34 Aluminum Rear Sprocket 34 Tooth

The Vortex 120ZB-34 is a high-performance aluminum rear sprocket designed for motorcycles using 420 pitch chains. This lightweight racing sprocket features 34 teeth and is precision CNC-machined from aerospace-grade aluminum to reduce rotating mass while maintaining exceptional strength and durability.

Key Features:

• 34-tooth configuration for optimal power transfer
• 420 pitch chain compatibility
• Lightweight aluminum construction reduces unsprung weight
• 100% CNC-manufactured in the USA for precise tolerances
• Vortex patented tooth design increases sprocket longevity
• Silver anodized finish prevents corrosion
• Ideal for sport bikes, mini bikes, and performance applications

Vortex Racing sprockets are engineered to provide superior performance and extended service life. The unique tooth profile design distributes load more evenly across the chain, reducing wear and delivering smoother power delivery. This sprocket is commonly used as stock replacement or performance upgrade on various small displacement motorcycles including Honda Grom and Monkey 125 models (2014-2021).