# Innies and outies

**URL:** <https://boards.straightdope.com/t/innies-and-outies/80208>\
**Category:** Factual Questions\
**Created:** [September 7, 2001, 8:56am UTC](https://boards.straightdope.com/t/innies-and-outies/80208 "2001-09-07T08:56:37Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![hammos1](https://avatars.discourse-cdn.com/v4/letter/h/ba8739/32.png) [@hammos1](https://boards.straightdope.com/u/hammos1)\
**Post date:** [September 7, 2001, 8:56am UTC](https://boards.straightdope.com/t/innies-and-outies/80208/1 "2001-09-07T08:56:37Z")

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Okay, I realise that this is _completely_ trivial, but I’d like to know nonetheless…

Why do the hubcaps on trucks/buses tend to stick _out_ on the front wheels but stick _in_ on the rear wheels?

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**Author:** ![hammos1](https://avatars.discourse-cdn.com/v4/letter/h/ba8739/32.png) [@hammos1](https://boards.straightdope.com/u/hammos1)\
**Post date:** [September 7, 2001, 9:03am UTC](https://boards.straightdope.com/t/innies-and-outies/80208/2 "2001-09-07T09:03:58Z")

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Sorry, I have just seen that this was answered before:

[http://boards.straightdope.com/sdmb/showthread.php?threadid=56618](http://boards.straightdope.com/sdmb/showthread.php?threadid=56618)

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**Author:** ![TheLoadedDog](https://avatars.discourse-cdn.com/v4/letter/t/35a633/32.png) [@TheLoadedDog](https://boards.straightdope.com/u/TheLoadedDog)\
**Post date:** [September 7, 2001, 9:41am UTC](https://boards.straightdope.com/t/innies-and-outies/80208/3 "2001-09-07T09:41:36Z")

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Damn, and I was all fired up for a good belly button thread. ☹