> For the complete documentation index, see [llms.txt](https://docs.wcproducts.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wcproducts.com/welcome/electronics/kraken-x60/kraken-x60-motor/how-to-articles/installing-items-on-splinexs.md).

# Installing Items on SplineXS

The SplineXS has an 8mm OD, which means the shaft fits into a standard 8mm ID bearing. This features allows teams to better support the end of the SplineXS shaft when the application demands it. 

## Installing Items

The SplineXS shaft on the Kraken X60 has a #10-32 tapped hole at the end, perfectly designed to fit the #10-32 x .250" L PHCS ([WCP-1740](https://wcproducts.com/products/bolts)) offered by WCP. 

{% hint style="info" %}
Use a combination of Kraken Spacers so that the pinion does not move on the SplineXS shaft.
{% endhint %}

<figure><img src="https://782947646-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FG5VCf9egrd5oqXAIKxwT%2Fuploads%2Fmhr9BvgG001o19Elmlku%2FKraken%20X60%20-%20Installing%20Items%20on%20SplineXS.svg?alt=media&amp;token=4838a0c4-ea9f-411b-b433-829cc3bab742" alt=""><figcaption></figcaption></figure>


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