Vortex 119ZK-45 Aluminum Rear Sprocket 45-Tooth Black Anodized

The Vortex 119ZK-45 is a 45-tooth black anodized aluminum rear sprocket designed for serious street and track riders who demand performance-grade drivetrain components. Built to Vortex Racing's exacting standards, this sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy, delivering an ideal balance of strength and lightweight performance.

The black anodized finish provides corrosion resistance while giving the sprocket a clean, aggressive appearance. Vortex's unique tooth profile design reduces chain wear and extends the service life of both the sprocket and chain. Reducing rotating mass at the rear wheel directly translates to improved throttle response and more efficient power delivery.

Key Features:

• 45-tooth rear sprocket for tuned final drive gearing
• Lightweight F5 aluminum alloy construction per Vortex specifications
• 100% CNC manufactured in the U.S.A.
• Black anodized finish for corrosion resistance and durability
• Proprietary tooth geometry extends sprocket and chain longevity
• Reduces rotating mass for improved throttle response

The Vortex 119ZK-45 is a trusted upgrade for riders looking to fine-tune their gearing for the track or street. Verify your chain pitch and sprocket bolt pattern against your specific application before ordering.