Description
A reliable chain is the foundation of any high-performance drivetrain, and the EK 520 SRO6 Series delivers durability without the premium price tag. This O-ring chain combines heat-treated steel construction with sealed lubrication technology, ensuring consistent power delivery and extended service life even under demanding racing conditions. Whether you’re building a sport bike or optimizing a go-kart setup, the SRO6 provides the precision fitment and engineering quality that separates winners from the rest.
- 520 pitch size
- 114 links
- O-ring sealed design
- Heat-treated steel alloy
- Integrated lightening holes
- Sealed lubrication retention
- Dirt exclusion sealing
- Reduced rotating mass
- Bolt-on installation
- Value-focused durability






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