> For the complete documentation index, see [llms.txt](https://xm2labs.gitbook.io/slg20-retractable-landing-gear-altax-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xm2labs.gitbook.io/slg20-retractable-landing-gear-altax-manual/master.md).

# Home

The SLG-20 from XM2 is a Retractable Landing Gear system designed to upgrade the Freefly Systems Alta X and other custom heavy lift drones.

This wiki contains the complete documentation for XM2 SLG-20 Retractable Landing Gear System.

**Please ensure you have read the** [**safety notice**](/slg20-retractable-landing-gear-altax-manual/safety-notice.md) **before setting up or using your SLG-20 Modules.**

![SLG-20 Right Module](https://4224189012-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MdzCWJq9AFh3jiVztWm%2F-Me2RLDLGgbuEgNYBItg%2F-Me2RiNxJMPqlkZeelSj%2FMicrosoftTeams-image%20\(15\).png?alt=media\&token=0a542ead-4f57-4d7e-9797-aba30592aa53)

If you are an Alta X user who purchased the SLG-20-AX Retract Kit for Alta X, please start with the [SLG-20-AX Quick Start Guide](/slg20-retractable-landing-gear-altax-manual/installation/slg-20-ax-quick-start-guide.md) which has specific instructions for installation onto the Alta X.

For custom drone users, please visit our general [SLG-20 Quick Start Guide](/slg20-retractable-landing-gear-altax-manual/installation/slg-20-quick-start-guide.md).