The cup holder is made of mirror-surfaced chrome-plated aluminum alloy,the handle is made of high-strength steel and it comes with 2 size abs spacers for the different size handlebars or crash bar .
Fits 7/8 inch, 1 inch and 1-1/4 inch handlebars
Dimensions (LxWxH ):75mm*75mm*95mm(2.95"*2.95"*3.74in.) this size is included the insulation
Mounting Bracket can swivel 360 degrees
Attaches simply, with all hardware and tools included in the box.