BULLSPANN Seatpost Bicycle Tube Adapter to 36mm Size Conversion Saddle Post Aluminum Alloy Black 1 Piece 33.9mm

[Dimensions] Inner diameter: 33.9 mm, outer diameter: 36 mm, length: 60 mm (for conversion from 33.9 mm to 36 mm) [Material] Highly durable aluminum alloy [Highly versatile] Suitable for most mountain bikes, road bikes, MTB, etc. 【Installation】Attach directly to the bicycle without any drilling or cutting required. [Note] The size is measured by hand, so there may be an error of 1-2mm. Please measure the outer diameter of your bicycle seat tube before purchasing. Features: The bicycle seat post adapter is made of aluminum alloy material, durable. Stylish appearance, easy to carry, not easy to rust, change the plain interior of your vehicle and add a unique pop of color. Easy to install and remove, no drilling or cutting required, just attach directly to your bike. Specifications: Condition: New Material: Aluminum Alloy Color: Black Inner Diameter: 33.9mm/1.33inch Outer Diameter: 36mm/1.41inch Length: 60mm/2.36inch Note: There may be 1-3mm error due to manual measurement. Package Content: 1 x Bicycle Seatpost Adapter