EK CHAIN 420SR 420 Universal ChainRef : EKC00718A / 1129896012

EK 420SR 420 Drive Chain - Manufacturer Ref: 420SR-STL 106 SPJ

The SR series from EK CHAIN focuses on a design that maintains the flexibility of the chain even after intensive mileage. The plates undergo a specialized heat treatment that enhances their durability and wear resistance without compromising the essential flexibility needed for proper engagement with the sprocket and the crown.

• Type: 420 Drive Chain
• Number of Links: 106
• Color: Steel / Steel
• Pitch: 420
• Weight: 0.75 kg / 100 links
• Relative Lifespan (for 100 links): 200

Designed for urban, quad, motocross, and roadster environments, this EK 420SR chain is aimed at riders looking for a reliable transmission part for versatile use — from daily city commutes to off-road adventures. It is particularly suited for small displacement bikes and 50cc transmission kits; among the models frequently associated: RIEJU MRT 50 SM (2025), FANTIC XM 50 PERFORMANCE (2025), and BETA RR 50 MOTARD (2025).

Regular installation and maintenance (tension checks, lubrication) are essential to preserve the longevity of the chain. EK CHAIN 420SR: a robust and straightforward option to refresh your drivetrain without complications.