Bicycle Dropper Seat Post Adjustable Telescopic Seatpost 27.2mm Retractable Cantilever Saddle Tube 1. Versatile Design: Our Bicycle Dropper Seat Post features an adjustable telescopic design, allowing you to easily customize your riding experience for maximum comfort and control. 2. Construction: Made from high-quality aluminum, this 27.2mm retractable cantilever saddle tube is built to withstand the rigors of mountain biking while providing reliable performance on any terrain. 3. Effortless Operation: The innovative dropper mechanism ensures smooth and quick adjustments, enabling you to lower or raise your saddle instantly as needed during your ride. 4. Performance: Weighing in at a minimal amount, this seat rod enhances your bike's overall performance without adding unnecessary bulk, making it ideal for serious cyclists. 5. Easy Installation: Designed for hassle-free setup, our Bicycle Dropper Seat Post fits seamlessly into most standard frames, ensuring you can get back on the trails in no time. Color: Black Material: aluminum alloy Package Contents: 1 x Bicycle Dropper Seat Post Kit 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.