# Stacking a Cafe Racer

**URL:** <https://forums.yoyoexpert.com/t/stacking-a-cafe-racer/40783>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [July 27, 2012, 1:21pm UTC](https://forums.yoyoexpert.com/t/stacking-a-cafe-racer/40783 "2012-07-27T13:21:51Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![SuperSnSProductions](https://avatars.discourse-cdn.com/v4/letter/s/a587f6/32.png) [@SuperSnSProductions](https://forums.yoyoexpert.com/u/SuperSnSProductions)\
**Post date:** [July 27, 2012, 1:21pm UTC](https://forums.yoyoexpert.com/t/stacking-a-cafe-racer/40783/1 "2012-07-27T13:21:51Z")

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

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**Author:** ![once\_upon\_a\_paul](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/once_upon_a_paul/32/1034_2.png) [@once\_upon\_a\_paul](https://forums.yoyoexpert.com/u/once_upon_a_paul)\
**Post date:** [July 27, 2012, 2:57pm UTC](https://forums.yoyoexpert.com/t/stacking-a-cafe-racer/40783/2 "2012-07-27T14:57:50Z")

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

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**Author:** ![SuperSnSProductions](https://avatars.discourse-cdn.com/v4/letter/s/a587f6/32.png) [@SuperSnSProductions](https://forums.yoyoexpert.com/u/SuperSnSProductions)\
**Post date:** [July 27, 2012, 4:50pm UTC](https://forums.yoyoexpert.com/t/stacking-a-cafe-racer/40783/3 "2012-07-27T16:50:18Z")

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> [@Purplepottamus](#):
>
> M4 metric set screw. Make sure it’s long enough 🙂

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

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**Author:** ![anonyo](https://avatars.discourse-cdn.com/v4/letter/a/8baadc/32.png) [@anonyo](https://forums.yoyoexpert.com/u/anonyo)\
**Post date:** [July 27, 2012, 4:56pm UTC](https://forums.yoyoexpert.com/t/stacking-a-cafe-racer/40783/4 "2012-07-27T16:56:14Z")

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> [@SuperSnSProductions](#):
>
> > [@Purplepottamus](#):
> >
> > M4 metric set screw. Make sure it’s long enough 🙂
> 
> 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.