# What does ABEC mean? also what's the difference between YYJ speed and spec?

**URL:** <https://forums.yoyoexpert.com/t/what-does-abec-mean-also-whats-the-difference-between-yyj-speed-and-spec/14485>\
**Category:** General Yo-Yo\
**Created:** [May 16, 2010, 10:15pm UTC](https://forums.yoyoexpert.com/t/what-does-abec-mean-also-whats-the-difference-between-yyj-speed-and-spec/14485 "2010-05-16T22:15:19Z")\
**Posts on this page:** 1\
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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:** [May 16, 2010, 11:51pm UTC](https://forums.yoyoexpert.com/t/what-does-abec-mean-also-whats-the-difference-between-yyj-speed-and-spec/14485/3 "2010-05-16T23:51:31Z")

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Abec is a rating that has absolutely nothing to do with yoyo’s.

I don’t want to type it so just read here.  
[http://www.seskate.com/technical/ABEC.html](http://www.seskate.com/technical/ABEC.html)

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