Vortex 642CAV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 642CAV4-45 is a 45-tooth CNC-machined aluminum rear sprocket from Vortex's VTX series, engineered for performance street and racing applications. Built to precise tolerances, this sprocket delivers consistent power transfer and reliable chain engagement lap after lap.

Key Features:

• 100% CNC manufactured in the USA for tight tolerances and guaranteed concentricity
• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration
• Lightening holes further cut unsprung weight without sacrificing structural integrity
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish provides corrosion resistance and a clean appearance
• Vortex patented tooth profile maximizes sprocket longevity and chain life
• 45 teeth for tuned final drive gearing

Vortex aluminum rear sprockets are a trusted choice among road racers, track day enthusiasts, and performance street riders who demand consistent, high-quality drivetrain components. The VTX series combines race-proven engineering with durability suitable for regular street use.