Vortex 315ZO-39 Aluminum Rear Sprocket 39-Tooth

The Vortex 315ZO-39 is a high-performance aluminum rear sprocket featuring 39 teeth, designed to deliver optimal power transfer and reduced rotational mass for improved motorcycle acceleration and handling. Manufactured by Vortex Racing, a trusted name in motorcycle racing components for over 15 years, this sprocket is engineered to meet the demanding requirements of both street and track applications.

Key Features:

• Lightweight aluminum construction reduces rotating mass compared to OEM steel sprockets
• 100% CNC-machined in the USA from aerospace-grade aluminum alloy
• Unique tooth design engineered for increased sprocket longevity
• Anodized finish prevents corrosion and provides long-lasting durability
• Manufactured to the tightest tolerances for optimal chain engagement
• 39-tooth configuration allows for fine-tuning of gear ratios

Vortex sprockets are trusted by professional racers and enthusiasts worldwide, including champions in Motocross, Supercross, and Road Racing. Each sprocket is precisely manufactured to ensure concentricity and reliable performance under extreme conditions, making it an excellent choice for replacing worn OEM gearing or optimizing your motorcycle's performance characteristics.