Vortex 642CK-40 Steel Rear Sprocket 40-Tooth

The Vortex 642CK-40 is a precision-machined steel rear sprocket featuring a 40-tooth count, designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Engineered by Vortex Racing, a trusted name in powersports drivetrain components, this sprocket delivers reliable power transfer and long-lasting durability under demanding riding conditions.

Key Features:

• 40-tooth rear sprocket for optimized gearing and drive ratio tuning
• Manufactured from high-strength steel for exceptional wear resistance and longevity
• CNC-machined to tight tolerances for precise chain engagement and smooth operation
• Direct bolt-on fitment — no modifications required for compatible applications
• Part of Vortex's trusted 642CK series sprocket lineup
• Finished with a protective coating to resist corrosion and extend service life

Whether you're replacing a worn sprocket or fine-tuning your motorcycle's gearing for track or street performance, the Vortex 642CK-40 offers a dependable, quality-built solution from a brand that racers and riders trust.