Manufacturer reference: 420SR-STL 136 SPJ
The EK 420SR 420 transmission chain is designed for motorcyclists seeking a robust and versatile replacement part for small displacement bikes and off-road vehicles. Part of the SR series, it combines a design intended to maintain flexibility after long hours of use and thermally treated plates to increase wear resistance. A suitable solution for urban, quad, cross, and roadster uses where reliability and regular maintenance make a difference.
- Type: EK 420SR 420 transmission chain
- Brand: EK CHAIN
- Pitch: 420
- Number of links: 136
- Color: Steel / Steel
- Relative lifespan (for 100 links): 200
- Weight: 0.75 kg for 100 links
Usage tips: check the tension and perform regular lubrication to preserve the flexibility and longevity of the chain. Check the condition of the sprocket and the crown during installation.
Common compatibilities (examples of 50 cc models):
- RIEJU MRT 50 SM (2025)
- FANTIC XM 50 PERFORMANCE (2025)
- BETA RR 50 MOTARD (2025)