# positron axle

**URL:** <https://forums.yoyoexpert.com/t/positron-axle/51097>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [March 21, 2013, 12:21am UTC](https://forums.yoyoexpert.com/t/positron-axle/51097 "2013-03-21T00:21:36Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ironman888](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/ironman888/32/802_2.png) [@ironman888](https://forums.yoyoexpert.com/u/ironman888)\
**Post date:** [March 21, 2013, 12:21am UTC](https://forums.yoyoexpert.com/t/positron-axle/51097/1 "2013-03-21T00:21:36Z")

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what kind of axle does the positron have?

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**Author:** ![jhb8426](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jhb8426/32/631_2.png) [@jhb8426](https://forums.yoyoexpert.com/u/jhb8426)\
**Post date:** [March 21, 2013, 12:40am UTC](https://forums.yoyoexpert.com/t/positron-axle/51097/2 "2013-03-21T00:40:58Z")

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Do you have one? What does it look like.

It’s most likely a set screw. Likely sizes are either a #6, #8 set screw or a 4 mm set screw. It’s most likely a 4 mm. Take it to a hardware store and see what fits of the right length. If you can’t find a set screw, get a normal screw of the proper size and cut the head off. Smooth the cut end with a fine file or a coarse sharpening stone.

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**Author:** ![Bcmaddog](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/bcmaddog/32/1170_2.png) [@Bcmaddog](https://forums.yoyoexpert.com/u/Bcmaddog)\
**Post date:** [March 21, 2013, 1:44pm UTC](https://forums.yoyoexpert.com/t/positron-axle/51097/3 "2013-03-21T13:44:25Z")

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The Positrons axle is similar to the genesis axle, a YYF 12mm will do.