Vortex 840-59 Silver 59-Tooth Rear Sprocket for BST Aftermarket Wheels

The Vortex 840-59 is a premium aluminum racing rear sprocket designed specifically for aftermarket wheels including BST, Rotobox, Marchesini, OZ-Racing, and Core Moto applications. This 59-tooth sprocket features Vortex's patented tooth design that maximizes chain engagement and longevity while reducing rotating mass for improved performance.

Key Features:

• 59-tooth configuration for precise gearing ratios
• 100% CNC machined in the USA from 7075-T6 aluminum alloy
• Lightweight construction reduces rotating mass and improves acceleration
• Silver anodized finish prevents corrosion and provides durability
• Patented tooth design with saber tooth grooves for optimal chain hold and release
• Manufactured to the tightest tolerances in the industry
• Fits aftermarket wheels with 5-bolt pattern (10mm holes), 100mm PCD, 76mm ID

Vortex Racing has been manufacturing top-quality motorcycle racing components since 1995, with products tested and proven by professional race teams worldwide. Each sprocket is precision-engineered to deliver maximum performance and reliability on the track or street.