The RK 520 EXW drive chain is a high-speed, extreme-heat-performance chain designed for demanding off-road motorcycle applications. Built for large-displacement engines, this 120-link chain is suitable for motorcycles up to 750cc when matched to the manufacturer’s recommended chain size and drivetrain specifications. Its 520 size supports common off-road and high-performance motorcycle applications requiring dependable power transfer.
Manufactured by RK, the 520 EXW combines durable construction with performance-focused design for riders who operate in challenging conditions. The chain is supplied with a clip-style connecting link to support installation and servicing. Before installation, verify the required chain length, sprocket compatibility, clearance, and fitment for your motorcycle model. The chain may require adjustment or trimming to achieve the correct final length.
Use the RK 520 EXW as a replacement or upgrade for compatible off-road motorcycles and other applications using a 520 chain system. Proper lubrication, cleaning, tension adjustment, and routine inspection are essential for maintaining chain performance and service life. This product is identified by RK manufacturer part number 520EXW-120 and vendor part number 520EXW-120.
Features:
- Size: 520 drive chain
- Model: 520 EXW
- Brand: RK
- Manufacturer: RK
- Manufacturer part number: 520EXW-120
- Vendor part number: 520EXW-120
- Chain length: 120 links
- Application: Suitable for off-road motorcycles up to 750cc, subject to vehicle and drivetrain compatibility
- Performance: Designed for high-speed and extreme-heat operating conditions
- Included component: Clip-style connecting link