Feature:Bicycle Seat Post Adapter is made of aluminum alloy material, which is durable in use.Stylish appearance, portable, not rust easily, transforms your vehicle's plain interior and adds a unique of color.Easy to install and remove, no drilling or cutting required, just install directly to the bicycle.Specifications:Condition: Brand NewMaterial: Aluminium AlloyColor: Black Inner Diameter 1: 27.2mm / 1.07"Outer Diameter 1: 28.6mm / 1.13"Inner Diameter 2: 27.2mm / 1.07"Outer Diameter 2: 30.4mm / 1.20"Inner Diameter 3: 27.2mm / 1.07"Outer Diameter 3: 30.8mm / 1.21"Inner Diameter 4: 27.2mm / 1.07"Outer Diameter 4: 31.6mm / 1.24"Length: 60mm / 2.36"NotePlease allow a 1-3 mm error due to manual measurement.Package Included:4 x Bicycle Seat Post Adapter.
