Vortex 317ZR-51 Aluminum Rear Sprocket 51-Tooth

The Vortex 317ZR-51 is a high-performance aluminum rear sprocket designed for serious riders who demand quality and precision. This 51-tooth sprocket features Vortex's patented tooth design and is manufactured from a specially formulated aluminum alloy to exact specifications.

Key Features:

• 51-tooth aluminum construction for reduced rotating mass
• 100% CNC-machined in the USA to tight tolerances
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Unique patented tooth profile increases sprocket longevity
• Lightening holes reduce weight while maintaining structural integrity
• Colored anodized finish for corrosion resistance and distinctive appearance

Vortex Racing has been manufacturing premium motorcycle racing components since 1995, with all products tested on the track by professional race teams. Each sprocket is precision-manufactured to ensure concentricity and proper chain engagement, delivering the performance and durability riders expect from Vortex.