chrissara, i can vouch for that Gary was kind enoug to help me get the right mounting kit for my GS10 Dob. Its dead simple to undo the altitude so you can remove the OTA.
Link to the Mounting Kit for 12" GSO Dob
http://www.wildcard-innovations.com...._describe.html
Take a look at the linked PDF files under Installation. And you can see the mounting. Its a swing free design..
Regards
Netwolf