Do you mean the tool to attach the spider to your cranks? If you already have one, then no you don't. But you will need it to assemble the PM. And Loctite.
Do you think some bike shops will have it?
Doubtful. I've got it the 110 bcd one, and others on here have them.
@HoKe started
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Do you mean the tool to attach the spider to your cranks? If you already have one, then no you don't. But you will need it to assemble the PM. And Loctite.