High-Strength Aluminum Alloy: Made of high-strength aluminum alloy, CNC machining ensures high hardness and fine workmanship. Adjustable Seatpost Height: The seatpost can be locked at any position, regardless of frame size. Seatpost Safety Wire: Adds a layer of safety during riding. the safety wire is not exposed during installation. Sealed Design: Dustproof and Waterproof: Effectively protects the seatpost interior and extends its service life. Easy Installation: This dropper post is designed for frames with internal cable routing on bike frames, providing a clean and organized appearance. Enhanced Stability: Float design enhances stability by accounting for seat position changes Color: As shown Material: Aluminum Alloy Package Contents: 1*Bicycle saddle tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.