Stacking a Cafe Racer

I know it can be done, what size axle do I need?

M4 metric set screw. Make sure it’s long enough :slight_smile:

English please? haha I’m not sure what all that is.

It’s a headless screw(all threads) that is 4mm in diameter(I think) and they come in various lengths.

Most yoyos use a set screw for an axle.

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