Features：<br> 1、Butyl rubber inner tube has high air tightness, good resistance to cold and heat and aging resistance.<br> 2、It can be used normally for more than 100 days after inflating, and butyl rubber is the most commonly used inner tube material.<br> 3、The butyl rubber tire inner tube can absorb the vibration of uneven roads, thus ensuring comfortable and safe driving.<br> 4、Simple installation, and the old tire inner tube can be easily replaced within a few minutes, which is time‑saving and efficient.<br> 5、Equipped with a Schrader valve, it widly fit 24 inch wheel, width between 1.95‑2.125inch tires.<br> Specification：<br> Item Type: Bicycle Inner Tubes<br> Material: Butyl Rubber<br> Product Color: As Pictures Shown<br> Product Weight: Approx. 202g / 7.1oz<br> Gas Nozzle Type: Long Schrader Valve<br> Package List：<br> 1 x Bicycle Inner Tube