X-ring? O-ring?

all_souls SG

Aiyyo... can anyone tell me RK X-ring chain is it better than RK O-ring chain? Heard frm ppl its O-ring... Bike shop say X-ring... but some bike shop says O-ring too. so which one is it?

THKS

F4I SG

x-ring gt higher wear resistance den o-ring....u gong gong...haha Mr. Green

mitolover SG

X-ring is actually more costly.as O-ring has a little O shape rubber in between the metel counterparts,it asorbs the lubricants .X- ring is the improved version which have an x shape rubber.Proven to absorbs more lub.with more lub,chain shld last better.Now they even have the Z-ring.