Vortex 253CZR-42 CZR Series Aluminum Rear Sprocket Sprockets - 42-Tooth

The Vortex 253CZR-42 is a high-performance 42-tooth CZR series aluminum rear sprocket designed for serious sport bike riders. Vortex Racing is a trusted name in precision-machined drivetrain components, and the CZR line delivers an optimal balance of lightweight construction and long-lasting durability for both street and track use.

Key Features:

• 42-Tooth Rear Sprocket – Precision tooth count for optimized final drive ratio and acceleration tuning
• CZR Series Construction – Machined from high-grade 7075-T6 aluminum alloy for an ultra-lightweight profile without sacrificing strength
• Hard Anodized Finish – Resists corrosion and wear, extending the service life of the sprocket
• Precision CNC Machined – Tight tolerances ensure smooth, consistent chain engagement and reduced drivetrain noise
• Carrier Code 253 – Engineered to fit specific motorcycle models using Vortex's standardized carrier system for a secure, direct-bolt-on installation
• Reduced Unsprung Weight – Aluminum construction lowers rotational mass for improved throttle response and handling

The Vortex CZR rear sprocket is a popular upgrade for riders looking to fine-tune gearing for short circuits, drag strips, or spirited street riding. As a direct replacement or performance upgrade, it pairs seamlessly with OEM or aftermarket chain and front sprocket combinations. MPN: 253CZR-42.