Vortex 841ZK-42 Rear Sprocket Black Aluminum Marchesini PVM Sprockets - CAT5 42-Tooth

The Vortex 841ZK-42 is a high-performance aluminum rear sprocket featuring 42 teeth, specifically designed to fit Marchesini and PVM aftermarket wheels. This lightweight racing sprocket reduces rotating mass and aids in putting more power to the pavement, making it the ideal choice for performance-oriented riders and racers.

Key Features:

• 100% CNC manufactured in the USA from specially formulated alloy per Vortex specifications
• Black anodized finish to prevent corrosion
• Unique tooth design with saber tooth grooves increases sprocket longevity
• Vortex patented sprocket design unlike any other sprocket
• Made from aerospace-grade aluminum for optimal power transfer and reduced rotational mass
• 841ZK pattern fits Marchesini and PVM wheel applications
• 42-tooth configuration for custom gearing options

Vortex parts have been put to the test by some of the world's most respected champions and teams, delivering the reliability and performance that serious riders demand. Whether you're on the track or the street, this precision-engineered sprocket provides superior durability and consistent power delivery.