Ciro offers multiple universal mounts depending on what you are mounting and where. The Universal Ball Mount mounts to any round tubing from 7/8" to 2-1/4" with the included stainless steel clamp or 1-1/8" to 1-3/4" square tubing . The Ciro Universal mount allows to you put any Ciro ball mounted accessory wherever you want Keep Ciro device holders, cup/drink holders, cameras and closer at hand Includes stainless steel ball mount, strap, and adapters