Extremely stable phone/GPS holder, mounted on the handlebar. plastic frame + AL6063 base light and comfortable to use, friendly design, width adjustable from 55 to 100 mm, width adjustable using a convenient knob located on the right side, the arms are protected by the included foam pads, the set includes reduction sleeves/washers, assembly key (Allen key 3, 4 mm) compatible with handlebars with diameters of 22.2, 25.4 and 31.8 mm, mounted to the handlebar using a hinged aluminum clamp (without the need to remove the grips, etc.) Libra: 61 g color: matte black width adjustment: from 55 to 100 mm mounting diameter: 22.2, 25.4 or 31.8 mm