Made of 6061 aluminum alloy material? strong and durable. Frosting finish? exquisite workmanship and nice touch feeling. Suitable for road and mountain bike.<br /><br />Features:<br />Easy to install.<br />Constructed of strong and durable 6061 aluminum alloy.<br />Frosting finish? exquisite workmanship and nice touch feeling.<br />Suitable for road and mountain bike.<br /><br />Specifications:<br />Color: Black<br />Material: 6061 aluminum alloy<br />Diameter: 27.2mm / 1.07in? 31.6mm / 1.24in (optional)<br />Length: 350mm / 13.8in<br />Weight: 311g(27.2mm)? 349g(31.6mm)<br /><br />Package List:<br />1 * Seat Post<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-sdnq.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-9dpB.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-r9NB.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-OSzA.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-iZcB.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-txrd.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-1NcA.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-FSMY.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-Zq6T.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-FHlO.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-sVgw.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/2/Y2602-272/Y2602-272-1-df08-um4I.jpg" /><br>