The RK EXCEL GB520XRU-120 520XRU Gold Drive Chain is a professional racing chain developed for high-performance motorcycles and competitive track use. Designed in collaboration with MotoGP and World Superbike teams, this chain delivers dependable power transfer and reduced friction from the start of a race through the finish. Its gold finish provides a distinctive appearance while supporting the demands of serious racing applications.
The 520XRU uses RK EXCEL UW-Ring seals to help minimize friction while retaining effective lubrication and sealing performance. With a 9,000-pound tensile strength, the chain is engineered for motorcycles up to 1,000cc and 265 horsepower. This 120-link configuration is suitable for applications requiring a 520-size chain and may require cutting, joining, or adjustment for proper fitment. Always verify the motorcycle manufacturer’s specifications and final drive setup before installation.
Designed for racing use only, the RK EXCEL GB520XRU-120 offers a lightweight construction that helps support responsive performance. It weighs approximately 3.44 pounds per 100 links and has a maximum chain width of 0.743 inches. Fitment depends on the motorcycle model, sprocket configuration, and required chain length, so confirm compatibility before ordering. Professional installation and correct chain tension are recommended for safe, reliable operation.
Features:
- Size: 520 chain size with 120 links
- Model: 520XRU professional racing drive chain
- Brand: RK EXCEL
- Manufacturer Part Number: GB520XRU-120
- Vendor Part Number: GB520XRU-120
- Construction: UW-Ring sealed design for reduced friction and effective lubrication retention
- Tensile Strength: 9,000 pounds
- Maximum Engine Rating: Suitable for motorcycles up to 1,000cc
- Maximum Horsepower: 265 horsepower
- Weight: Approximately 3.44 pounds per 100 links
- Maximum Chain Width: 0.743 inches
- Finish: Gold
- Fitment: For compatible 520-drive motorcycle applications; verify model, sprocket setup, and chain length before installation
- Application: Racing use only