Vortex 840ZBV4-44 Aluminum Rear Sprocket 44-Tooth Black/Violet

The Vortex 840ZBV4-44 is a 44-tooth CNC-machined aluminum rear sprocket from Vortex's 840 series, engineered for use with BST and select aftermarket motorcycle wheels. Built for serious street and track riders who demand precision components, this sprocket delivers a meaningful reduction in rotating mass for improved throttle response and drivetrain efficiency.

Key Features:

• Lightweight aluminum construction — reduces rotating mass to aid in acceleration, deceleration, and directional changes
• 100% CNC manufactured in the USA — machined to tight tolerances for consistent, reliable performance
• Specially formulated alloy — material sourced and specified exclusively by Vortex for optimal strength-to-weight ratio
• Unique patented tooth design — engineered to increase sprocket longevity and improve chain engagement
• Black/violet anodized finish with machined accents — corrosion-resistant anodizing with striking visual contrast
• 5-bolt mounting pattern — 5 x 10mm holes with a 100mm Pitch Circle Diameter (PCD) and 76mm sprocket ID
• 44-tooth rear sprocket — delivers increased low-end torque and acceleration over stock gearing

Vortex Racing has been producing top-quality motorcycle racing components in the USA since 1995. Their sprockets are trusted by professional race teams across Supercross, Road Racing, Motocross, and Flat Track disciplines. The 840 series is specifically designed for compatibility with BST carbon fiber wheels and similar aftermarket wheel hubs.