Vortex 840ZRV4-45 VTX Aluminum Rear Sprocket 45-Tooth Silver

The Vortex 840ZRV4-45 is a lightweight, 45-tooth aluminum rear sprocket engineered for performance motorcycle applications. Part of Vortex's industry-leading 840-series lineup, this sprocket is designed for use with BST carbon fiber wheels and features a 5-bolt mounting pattern with a 100mm pitch circle diameter (PCD) and a 76mm sprocket ID.

Key Features:

• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC machined in the USA to precise tolerances for concentricity and durability
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish provides corrosion resistance and lasting good looks
• Unique tooth profile design promotes even chain wear and increases sprocket longevity
• Lightening holes further reduce rotating mass without sacrificing structural integrity
• 5-bolt BST wheel fitment with 100mm PCD and 76mm sprocket ID
• 45 teeth for optimized final drive gearing

Vortex Racing has been manufacturing premium racing components in the USA since 1995. The 840ZRV4-45 is built to the same exacting standards used by professional road racers, delivering race-proven performance and reliability for both track and street use.