# Iyoyo Impact Axle Size?
**URL:** https://forums.yoyoexpert.com/t/iyoyo-impact-axle-size/335882
**Category:** Yo-Yo Mods and Maintenance
**Created:** [March 23, 2021, 2:30am UTC](https://forums.yoyoexpert.com/t/iyoyo-impact-axle-size/335882 "2021-03-23T02:30:39Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@iandh](https://forums.yoyoexpert.com/u/iandh)
#### Post date: [March 23, 2021, 2:30am UTC](https://forums.yoyoexpert.com/t/iyoyo-impact-axle-size/335882/1 "2021-03-23T02:30:39Z")
While investigating an issue with the bearing I dropped and lost the axle for my new iyoyo impact. I see that iyoyo sells replacements of various sizes on their website, but I’m not sure which size to get. Does anyone know what the right axle size for an impact is?
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### Author:  [@Exmime](https://forums.yoyoexpert.com/u/Exmime)
#### Post date: [March 23, 2021, 3:09am UTC](https://forums.yoyoexpert.com/t/iyoyo-impact-axle-size/335882/2 "2021-03-23T03:09:14Z")
Its listed as a M4 x 8mm stainless, you could also drop a Sōchí 8mm titanium in there as well
> **[YoYoFactory Axles](https://shop.yoyoexpert.com/products/yoyofactory-yoyo-axle?variant=18870708100)**
>
> These are replacement axles for your YoYoFactory yo-yos.Flea: Mighty Flea, Big Deal8mm MVP, BOSS, SuperNova LITE, SuperNova, Proton, New SuperStar, Space Cowboy, Horizon, Aviator 2, Too Hot10mm 44, 44 Special, 2010-2012 Superstar, Skyline, DNA,...
> **[Sōchí Axles](https://shop.yoyoexpert.com/products/replacement-axles-by-sochi?variant=30354709872714)**
>
> Sōchí was founded when Luckey Li realized that he needed better, yet cheaper equipment as a competitor. AS a 5-time Canadian National Champion he knows a bit about yoyoing and for a while the idea of starting his own equipment brand sat in the back...
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### Author:  [@iandh](https://forums.yoyoexpert.com/u/iandh)
#### Post date: [March 23, 2021, 3:14am UTC](https://forums.yoyoexpert.com/t/iyoyo-impact-axle-size/335882/3 "2021-03-23T03:14:53Z")
Awesome. That’s exactly what I needed. Thank you!