How can I identify the make and model of a chain?
I need to take a chain off and clean it. (It's a new-to-me used bike, and I'm giving everything the once over.) The chain doesn't have a master link, so I'm going to have to break it and add a master link. To do this, I need to figure out what kind of chain it is so I can get the right master link.
(It might make sense to just get a new chain given relative prices, but I'd rather keep the chain I have because this is my knock-around bike and I don't want it to look new, I want it to look not worth stealing.)
Looking at the chain, it says KMC, NARROW, with a stylized Z. The bike is a 3x7 department store bike. The rear cogs say Shimano MF-TZ21.
Here's a picture.