Vortex 253CZB-45 45-Tooth Rear Aluminum Sprocket Black Anodized with Contrast Cut

The Vortex 253CZB-45 is a 45-tooth rear aluminum sprocket from Vortex Racing's CZB series, featuring a striking black anodized finish with contrast-cut silver machined accents. Engineered for performance street and track riders, this sprocket delivers a precision-fit drivetrain upgrade that reduces rotating mass and improves power delivery to the rear wheel.

Key Features:

• 45-tooth rear sprocket for fine-tuned gear ratio adjustments
• 100% CNC machined in the USA to exacting tolerances
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Black anodized with contrast-cut machined highlights for an aggressive, race-inspired appearance
• Unique Vortex tooth profile designed to maximize sprocket longevity and chain wear compatibility
• Lightweight construction reduces rotational mass for improved throttle response and acceleration

The CZB series sprocket is anodized first, then CNC machined, producing a distinctive two-tone finish with silver highlights that stands out on any build. Whether tuning for more low-end torque or dialing in a race-day gear ratio, the Vortex 253CZB-45 is a direct-fit, performance-proven upgrade trusted by racers and enthusiasts alike.