Vortex 120ZK-34 520 Aluminum Rear Sprocket 34-Tooth Black

The Vortex 120ZK-34 is a 520-pitch, 34-tooth aluminum rear sprocket finished in a sleek black anodized coating. Designed for street and track applications, this sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy to precise tolerances, ensuring concentricity, superior fitment, and long-lasting durability.

Key Features:

• 520 pitch compatibility for a wide range of sport, supersport, and naked motorcycles
• 34 teeth — ideal stock or performance gearing replacement
• Black anodized finish resists corrosion and complements any bike's aesthetics
• 100% CNC manufactured in the USA from Vortex-spec aluminum alloy
• Lightening holes reduce rotating mass for improved throttle response
• Vortex patented unique tooth design increases sprocket longevity and reduces chain wear
• Precision-machined for concentricity, minimizing vibration and drivetrain stress

Trusted by AMA Superbike and Motocross competitors, the Vortex aluminum rear sprocket delivers race-proven performance for riders who demand the best from their drivetrain. Pair with a matching 520-pitch front sprocket and chain for a complete drivetrain upgrade.