EK CHAIN 420SR 420 Universal ChainRef : EKC00737A / 1129896031

Manufacturer's ref: 420SR-STL 144 SPJ

The EK 420SR 420 transmission chain is designed for urban, cross, quad, and roadster use. Coming from the SR series, it features a specific heat treatment of the plates that preserves the chain's flexibility even after long distances, while improving its wear resistance. Ideal for small cylinders and lightweight machines, it fits 420 sprockets and crowns to ensure reliable and smooth transmission.

• Brand: EK CHAIN
• Designation: EK 420SR 420 transmission chain
• Number of links: 144
• Pitch: 420
• Color: Steel / Steel
• Relative lifespan (for 100 links): 200
• Weight: 0.75 kg / 100 links

Designed for riders looking for a robust and flexible chain, the EK 420SR is particularly suited for 50 cc machines and other small displacements. Frequent compatibilities include:

• RIEJU MRT 50 SM (2025)
• FANTIC XM 50 PERFORMANCE (2025)
• BETA RR 50 MOTARD (2025)

For optimal installation, check the condition of the sprocket, crown, and tension before use. Regular maintenance and appropriate lubrication will extend the lifespan of the transmission.