Vortex 642AS-42 Steel Rear Sprocket 520 Pitch 42 Tooth Black

The Vortex 642AS-42 is a high-quality steel rear sprocket designed for demanding motorcycle applications. Featuring a 520 pitch with 42 teeth, this sprocket is constructed from durable C45 medium carbon steel that provides excellent strength and wear resistance for extended service life.

Key Features:

• 520 pitch chain compatibility with 42-tooth configuration
• V3 computer-designed tooth profile for optimal chain engagement and reduced wear
• Premium C45 steel construction heat-treated for maximum durability
• Black electroless nickel finish resists corrosion and looks great
• CNC-machined from a single piece of steel for precision and strength
• Lightening holes reduce rotational mass without compromising structural integrity
• Compatible with 2015-2018 Yamaha YZF-R1 models

Vortex sprockets are manufactured to exacting tolerances and undergo rigorous quality control testing. The V3 tooth profile design optimizes power transfer while extending chain and sprocket life. This sprocket offers an excellent balance of strength, weight, and value for street and track applications.