What’s inside the new Citibike cards?

Now that Citibike has switched from the old fobs to cards, there are (of course) people who want to convert the cards to back to fobs. I think that is going to be much harder than just cutting the card into a fob shape. Let’s take a look inside…


The black ring around the outside edge is the coil, and you need that for the card to work.

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