EK CHAIN 420SRO O-Ring 420 Universal ChainRef : EKC00451A / 1129887011

The EK 420SRO O-Ring chain is a robust and economical solution from EK CHAIN, designed for the transmission of small displacement engines and off-road machines. Part of the SRO series, this O-ring chain combines durability with a serious finish: perforated links to lighten the assembly and thermally treated steel alloys for better longevity without claiming unverified performance.

• Manufacturer reference: 420SRO-STL 104 SKJ
• Brand: EK CHAIN
• Type: O-Ring transmission chain
• Pitch: 420
• Number of links: 104
• Color: Steel / Steel
• Weight (kg / 100 links): 0.78 kg
• Relative lifespan (100 links): 1000

Suitable for urban, cross, and roadster environments, this chain is ideal for mounting on small displacement bikes and learner motorcycles, as well as for standard replacement projects. The O-rings help maintain lubrication between the links to limit wear, while the perforation of the links reduces mass without compromising the assembly. Perfect for those seeking a reliable, easy-to-maintain, and budget-friendly chain.

Before installation, check the 420 pitch and the number of links for compatibility with your sprocket and crown, and adhere to the torque and tension procedures recommended by your motorcycle manufacturer.