The RK 520ZXW is a high-performance XW-ring drive chain built for sport, road racing, and high-output motorcycles up to approximately 1200cc. Featuring advanced XW-ring sealing technology and a tensile strength of approximately 9,442 lbf, it delivers exceptional durability, low friction, and heat resistance under the most demanding riding conditions.
Key Features
- 520 pitch, 120-link full-length chain
- XW-ring seals with multiple sealing lips and lubrication reservoirs for superior dirt resistance and lubrication retention
- Tensile strength of approximately 9,442 lbf — suited to high-horsepower applications
- Rivet-style master joining link included
- Available in gold, natural, and black/black scale finishes
- Engineered for high-speed, high-performance, and road racing use
What makes the XW-ring superior to the O-ring?
XW-ring seals feature multiple contact lips and internal lubrication reservoirs that retain grease more effectively than standard O-rings — reducing friction, lowering operating temperature, and significantly extending chain service life.
Frequently Asked Questions
What bikes is this chain suited to? High-performance sport, touring, and road racing motorcycles up to approximately 1200cc using a 520 pitch chain system.
Is a joining link included? Yes. A rivet-style master link is included.
Should I replace my sprockets at the same time? Yes. Always replace front and rear sprockets together with a new chain for even wear and maximum drivetrain longevity.