Our bicycle seat rod heads are made of high quality aluminum alloy and have a robust construction that ensures strength, reliability and rust resistance for a long service life. The bike seatpost clamps head is robust and holds its shape under pressure, which firmly holds the seat tube at the desired height, thus improving driving safety. Bike head saddle pipe screw design is light, can firmly grip the bicycle seat, no shaking, no loosening, bring you a better riding experience. Bicycle seatpost head saddle pipe head design is compact, easy to assemble and install, easy to carry. It is small in size, light in structure and easy to carry and use. The bicycle seat tube head is used to repair the bicycle seat rod chuck slide, embellish the appearance of the vehicle, and make your car look more perfect and more upscale. Please note that this seat chuck is not a panacea. It is only suitable for certain single nail head and single pole seat bikes. Specifications:Name: Bicycle Seatpost Head Saddle Pipe HeadMaterial: Aluminum alloySize: 5.5 x5.5 x3cm / 2.16 x2.16 x1.18 inColor: BlackWeight: About 71g/ piecePackage contents:1PCS Bike Seatpost Clamps HeadProduct use: The main use of this product is to repair the slip-wire of the driver seat tube chuck, and embellish the appearance of the vehicle, so that your car looks more perfect and high-end.Please note:This seat clamp is not universal, only suitable for some single pile head seat tube, single column seat tube bicycle.Note:Due to the display and light, the actual product color may be different from the photo. Please understand!Due to manual measurement, please allow a measurement deviation of 1-2 cm.