VORTEX 251A-42 Rear Sprocket Aluminum 42-Tooth for 520 Silhouette Chain

The VORTEX 251A-42 Rear Sprocket is engineered for high-performance race applications, combining durability and lightweight design. Crafted from CNC-machined 7075 aluminum, this sprocket offers exceptional strength while maintaining minimal weight, making it ideal for competitive racing environments. Its unique tooth design ensures reliable engagement and smooth power transfer, enhancing overall drivetrain efficiency. Trusted by champions, the VORTEX 251A-42 is a proven choice for serious riders seeking a durable and lightweight sprocket that performs under the most demanding conditions. Designed specifically for 520 Silhouette chains, this sprocket provides a perfect fit and optimal performance for racing motorcycles and off-road vehicles. Whether you're upgrading your existing setup or building a new race bike, this aluminum sprocket delivers the reliability and precision needed to excel on the track or trail.

Features:

• The “Standard” in the race industry

• CNC machined from 7075 aluminum for amazing strength and light weight

• Unique tooth design for optimal engagement

• Trusted by champions