Vortex CK6378 WSS Chain and Sprocket Kit Yamaha YZF-R1 2015-2025

The Vortex CK6378 WSS Chain and Sprocket Kit provides a complete drivetrain solution for 2015-2025 Yamaha YZF-R1 and R1M motorcycles. This warranty-grade kit is designed to replace worn OEM components while maintaining stock gearing and chain pitch, delivering reliable performance at a value price point.

Complete Kit Includes:

• One steel front sprocket with nickel plating and weight-reducing drilled holes
• One laser-cut steel rear sprocket with electroplated black finish for corrosion resistance
• One 525RX3 X-ring chain with 114 links, pre-sized for your application
• Rivet-type master link for secure connection

Key Features:

• High carbon steel front sprocket is case hardened and nickel plated for extended durability
• Laser-cut carbon steel rear sprocket provides longer life than aluminum alternatives
• RX3 X-ring chain features advanced sealing technology to retain lubrication and reduce friction
• Drilled lightening holes reduce rotating mass for improved throttle response
• Retains stock gearing ratio for balanced street and sport riding performance
• Bike-specific fitment requires no cutting or modification for installation

Vortex Racing manufactures high-quality motorcycle components with tight tolerances and premium materials. Their chain and sprocket kits are tested by professional race teams worldwide and offer an excellent alternative to expensive OEM replacement parts. The WSS series balances performance, longevity, and value for street riders who demand quality without compromise.