Feature:Bicycle Seat Post Adapter is made of aluminum alloy material, which is durable in using.Stylish appearance, portable, not rust easily, transforms your vehicle's plain interior and adds a unique look.Easy to install and remove, no drilling or cutting required, just install directly to the bicycle.Specifications:Condition: Brand NewMaterial:Aluminium AlloyColor: BlackInner diameter: 27.2mm/1.07"Outer diameter: 30.0mm/1.18"Length:60mm/2.36"NotePlease allow 1-3 mm error due to manual measurement.Package Included:1 x Bicycle Seat Post Adapter.
