Features:<br />Made of butyl rubber， durable and wear-resistant.<br />High air tightness， needn&#39;t waste too much time on pumping tire frequently.<br />Designed with American valve， easy to pump tube up.<br />Suitable for tube specification of 26 * 1.9 / 2.125.<br /><br />Specifications:<br />Material: Butyl rubber<br />Color: Black<br />Type of valve: American valve<br />Inner tube thickness: 0.87mm<br />Size: 26 * 1.9 / 2.125<br />Weight: 172g / 6.1oz<br />Package size: 11 * 7 * 5cm / 4.3 * 2.8 * 2.0in<br />Package weight: 193g / 6.8oz<br /><br />Package List:<br />1 * Bicycle Inner Tube<br><img src="//img.tomtop.com/product/xy/2000/2000/p/tt/h/1/h14486-1-5758.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/tt/h/1/h14486-7-5758.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/tt/h/1/h14486-4-5758.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/tt/h/1/h14486-3-5758.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/tt/h/1/h14486-5-5758.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/tt/h/1/h14486-6-5758.jpg" /><br>