Vortex 840CZBV4-45 CZ Aluminum Rear Sprocket 45T

The Vortex 840CZBV4-45 is a 45-tooth aluminum rear sprocket from Vortex's CZ series, engineered for sport bike riders seeking a lightweight, high-performance alternative to the OEM steel sprocket. Machined from aerospace-grade 7075-T6 aluminum, this sprocket delivers a significant weight savings over stock while maintaining the strength and durability needed for both street and track use.

Key Features:

• 45 Teeth – Bolt-on tooth count for fine-tuning acceleration and throttle response
• 7075-T6 Aluminum Construction – High-strength alloy offers an excellent strength-to-weight ratio
• Precision CNC Machined – Tight tolerances ensure smooth, quiet chain engagement and consistent power transfer
• Hard Anodized Finish – Resists corrosion and wear for extended service life
• CZ Series / V4 Carrier Pattern – Engineered for proper fitment on compatible sport bike applications
• Direct OEM Replacement – Bolts on without modification using stock hardware

Vortex Racing is a leading manufacturer of performance drivetrain components trusted by professional racers and enthusiast riders worldwide. The 840CZBV4-45 sprocket pairs seamlessly with Vortex or OEM front sprockets and standard drive chains for a complete drivetrain upgrade.