The RK 520 Quick Acceleration Chain and Sprocket Kit is designed for Yamaha YZF-R1/M applications where responsive acceleration and dependable drivetrain performance are priorities. This race-oriented kit combines RK’s premium XW-ring sealed chain with performance-focused gearing and durable steel components. The kit is supplied in a natural finish and is engineered to support the fitment requirements of the Yamaha YZF-R1/M.
The RK 520 chain uses XW-ring sealing technology to help retain lubricant and protect internal components from contamination. Its sealed construction supports consistent operation and extended service life in demanding riding conditions. The included Driven steel alloy front sprocket features a black case-hardened finish for improved wear resistance and reliable performance under high load.
With gearing configured for quick acceleration, this RK kit is suited to riders and race applications seeking sharper throttle response and strong power transfer. The coordinated chain and sprocket components provide a practical replacement solution while maintaining compatibility with the Yamaha YZF-R1/M platform. The manufacturer part number and vendor part number are both 4107-159PX.
Features:
- Fitment: Designed for Yamaha YZF-R1/M applications
- Chain size: 520 series
- Acceleration gearing: Configured for quick acceleration and responsive power transfer
- Chain construction: RK premium XW-ring sealed chain
- Sprocket material: Durable Driven steel alloy front sprocket
- Sprocket finish: Black case-hardened finish for enhanced wear resistance
- Kit contents: Chain and sprocket components for coordinated drivetrain replacement
- Brand: RK
- Manufacturer part number: 4107-159PX
- Vendor part number: 4107-159PX