Description
A competition-grade drive chain demands uncompromising durability and minimal parasitic loss—the EK 520 RV3D delivers both. Built with NX2-ring technology and weight-reducing cutouts, this chain sheds unnecessary mass while maintaining the tensile strength required for high-RPM, high-load applications. Whether you’re pushing lap times or maximizing acceleration, the 520 RV3D’s dimpled outer plates and chromium carbide pins are engineered to handle the stress.
- 520 pitch sizing
- 120 links total
- NX2-ring technology
- Weight-reducing cutouts
- Dimpled outer plates
- Chromium carbide pins
- Black/Gold finish
- Competition use only
- Bolt-on fitment
- MPN: 520RV3D-120KG






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