The EK 520SRO6-104 O-ring chain is designed for dirt bike, ATV, and street motorcycle applications that require dependable performance in demanding riding conditions. This 520-size chain features a 104-link configuration and is manufactured in Japan by EK, a trusted chain manufacturer known for durable motorcycle drivetrain components. The O-ring sealing design helps retain lubrication inside the chain while limiting the entry of water, mud, and other contaminants.
Feature: High-quality O-ring seals help maintain internal lubrication and protect the chain from dirt and moisture. Feature: Solid rollers and extended anti-kink bushings support long service life and consistent operation. Feature: Quad-staked pin riveting securely joins the side plates for reliable strength under normal riding loads. Feature: 520 chain size and 104-link length support fitment on compatible dirt bikes, ATVs, and street motorcycles when matched to the vehicle manufacturer’s specifications.
Use the EK 520SRO6-104 as a replacement drive chain where a 520-size, 104-link O-ring chain is specified. Proper fitment depends on the motorcycle or ATV model, sprocket combination, required chain length, and original equipment specifications. Verify application requirements before installation, and follow the vehicle and chain manufacturer’s procedures for alignment, tension, lubrication, and riveting. This product is identified by EK manufacturer part number 520SRO6-104 and vendor part number 69-26204.
Features:
- 520-size O-ring chain with 104 links for compatible dirt bike, ATV, and street motorcycle applications
- High-quality O-ring seals retain lubricant and help keep water, mud, and debris out
- Solid rollers and extended anti-kink bushings help increase chain longevity
- Japanese-made EK chain with quad-staked pin riveting into the side plates
- Manufacturer part number: 520SRO6-104
- Vendor part number: 69-26204