Specification: Bicycle aluminum alloy mobile phone holder. Material: aluminum alloy. Product size: about 13x4x8.5cm/5.12x1.57x3.35 inches. Applicable size: models within a width of 5.8-8.8cm/2.28-3.46 inches. Weight: 74g. Applicable pipe diameter: about 2.22-3.18cm/0.87-1.25 inches. Pack List: Bike phone holder*1