Mounting stud allows for rigid mounting Attaches to any 7/8", 1", 1 1/4" handlebar Stainless Steel construction LARGE CUP HOLDER: Fits Yeti cups, 12 oz soda can, 16 oz water bottles, and 20 oz. bottles. It can be used to hold beverages, sunglasses, cell phones, radios, etc Cup comes with chrome spring clip with rubber drink retainer Fits: 7/8", 1", and 1-1/4" bars Fits Motorcycles, ATV's, Mobility Aids, Boats, Tractors and Lawnmowers.