RK 520 XW-Ring Chain & Sprocket Kit | Yamaha YZF-R7 | Quick Acceleration | Part #4068-159PX

RK 520 XW-Ring Chain & Sprocket Kit – Yamaha YZF-R7 (Quick Acceleration)

Sharpen throttle response and extend drivetrain life with the RK 520 Quick Acceleration Chain and Sprocket Kit, purpose-built for the Yamaha YZF-R7. This kit pairs RK’s premium XW-ring sealed chain with a Driven steel alloy case-hardened front sprocket — engineered for riders who demand fast, consistent power delivery on the street or track.

Key Features

• RK 520 XW-Ring sealed chain — four-lip X-ring design reduces friction, retains lubrication longer, and minimizes elongation vs. standard O-ring chains
• Driven steel alloy front sprocket — black case-hardened finish for maximum wear resistance and quick-acceleration gearing
• Optimized for performance riding — ideal for track days, canyon runs, and aggressive street use
• Direct-fit for Yamaha YZF-R7 — no modification required, seamless installation
• Lightweight drivetrain upgrade — reduces unsprung weight for improved handling and responsiveness

Specs & Part Info

• Brand: RK
• MPN: 4068-159PX
• Chain Type: 520 XW-Ring Sealed
• Kit Includes: Chain + Front Sprocket

Compatibility

• Yamaha YZF-R7 — All Years