Manufacturer reference: 420SRO-STL 108 SKJ — Brand: EK CHAIN
The EK 420SRO O-Ring 420 chain is a reliable and compact transmission designed for small displacement engines and applications requiring a 420 pitch. Made with heat-treated steel alloys and O-rings, it combines strength with protection against dust and debris. The perforation of the plates reduces weight without compromising the geometry of the links, ensuring neutral behavior during RPM changes.
- Pitch: 420
- Number of links: 108
- Color: steel / steel
- Weight: 0.78 kg (per 100 links)
- Type: O-Ring (O-rings)
- Relative lifespan index: 1000 (for 100 links)
Versatile, this chain is suitable for urban, cross, and roadster environments. It is perfectly suited for small motorcycles and mini-motorcycles listed as examples (Honda CRF 110 F, Yamaha YZ 85 LW Big Wheels, Gas Gas MC 65) or any machine requiring a 420 pitch and 108 links. To get the best performance from your transmission, adhere to the manufacturer's recommended maintenance intervals and tension.