Vortex 642AZKV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 642AZKV4-45 is a high-performance 45-tooth aluminum rear sprocket from Vortex Racing's VTX series. Engineered for sport and performance motorcycle applications, this sprocket is precision-CNC machined from lightweight 7075-T6 aircraft-grade aluminum and features a hard anodized finish for exceptional wear resistance and corrosion protection.

Key Features:

• 45 Teeth — optimized tooth count for performance gearing
• 7075-T6 Aircraft-Grade Aluminum Construction — significantly lighter than steel alternatives
• Hard Anodized Finish — resists corrosion, wear, and UV fading
• CNC Precision Machined — tight tolerances ensure smooth chain engagement and long service life
• Vortex VTX Series — designed to meet or exceed OEM sprocket standards
• Direct OEM Replacement Fitment — bolt-on installation with no modifications required

Vortex Racing is a trusted name in the powersports industry, supplying sprockets to professional race teams and serious enthusiasts alike. The VTX aluminum rear sprocket delivers a measurable weight savings over stock steel sprockets, reducing unsprung and rotating mass for improved throttle response and acceleration. The hard anodized coating extends service life even under demanding track or street riding conditions.