This bicycle seatpost is made of high quality carbon fiber， durable in use. It can <span class="Pa_DemoT">give you new experience.</span><br><br><strong>Features:</strong><br>High quality carbon fiber.<br>3k matte finish.<br><span class="Pa_DemoT">Ultra light， high strength， non-deformable， corrosion resistant.</span><br>Quick to install and disassemble.<br>Suitable for mountain bikes and road bikes.<br><br><strong>Specifications:</strong><br>Material: Carbon fiber<br>Diameter: 27.2mm / 30.8mm / 31.6mm (Optional)<br>Length: 41cm / 16.1in<br>Package Size: 41 * 6.5 * 3cm / 16.1 * 2.6 * 1.2in<br>Weight: 205g~220g / 7.23oz~7.76oz<br><br><strong>Package List:</strong><br>1 * Bicycle Seatpost