EK CHAIN 420SR 420 Universal ChainRef : EKC00732A / 1129896026

EK 420SR 420 Drive Chain — Manufacturer Ref: 420SR-STL 134 SPJ

Designed for small trails, roadsters, and off-road machines, the EK CHAIN 420SR combines strength and flexibility. The SR series features a design that maintains the chain's flexibility even after prolonged use. The plates undergo a specialized heat treatment to enhance durability and wear resistance, making it a reliable option for transmissions subjected to urban and off-road stresses.

• Type: EK 420SR 420 Drive Chain
• Color: Steel / Steel
• Pitch: 420
• Number of Links: 134
• Relative Lifespan (for 100 links): 200 (index)
• Weight: 0.75 kg for 100 links (indicative)

Compatible Universes: Urban, Quad, Cross, Roadster. It is particularly suited for small displacements and 50 cc modifications — common examples include: RIEJU MRT 50 SM (2025), FANTIC XM 50 PERFORMANCE (2025), and BETA RR 50 MOTARD (2025). Before installation, check the pitch, the number of links, and the tension for proper sprocket/crown alignment. Ideal for riders seeking a treated steel chain capable of supporting mixed road/trail use without compromising transmission flexibility.