Features and specifications:
Length: 55mm(max to 100mm adjustment)
Diameter: 31.8mm clamp(compatible 25.4/22.2mm using spacer)
Use: Mountain Bike, Bicycle, Motorcycle, Baby Trolley
Compatible Model: 3.5″ to 6.2″ Smartphones
Material: Aluminum Alloy
Color: Black, Silver, Red
Weight: 100g