Vortex 828CZK-34 Aluminum Rear Sprocket 34-Tooth Black

The Vortex 828CZK-34 is a lightweight, high-performance aluminum rear sprocket featuring a 34-tooth count in a black anodized finish. Designed for the serious street and track rider, this sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy developed to Vortex's exact specifications, delivering an ideal balance of strength and reduced rotational mass.

The black anodized surface treatment provides excellent corrosion resistance while giving the sprocket an aggressive, race-ready appearance. Vortex's patented tooth geometry is engineered to promote smooth chain engagement, reduce wear on both the sprocket and chain, and extend overall drivetrain service life compared to standard OEM sprockets.

Key Features:

• Lightweight standard aluminum construction reduces rotating mass
• 100% CNC manufactured in the USA for precise tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Black anodized finish for corrosion resistance and stealth aesthetics
• Patented unique tooth design for increased sprocket longevity
• 34-tooth rear sprocket for optimized gear ratio tuning
• Direct OEM-replacement fit — no modifications required

Whether you're fine-tuning your gear ratio for improved acceleration off the line or replacing a worn OEM sprocket, the Vortex 828CZK-34 delivers race-proven performance in a durable, track-ready package.