<b>Package include: </b><br> 2 x Bike Tubes, 3 x Tire Levers<br><br> <b>Specification:</b><br><br> Valve Type: Schrader Valve <br> Valve Length: 32mm (standard bicycle tire Schrader valve length) <br> Tube Material: Butyl <br> MORE DURABLE: high-quality butyl rubber compound, Better air tightness and a longer lasting tube.<br><br> <b>Tire levers:</b><br> Size: 4inch x 5/8inch （10cm x1.8cm ）<br> Material:Nylon Plastic<br> The nylon plastic tire levers are different from the metal one, they prevent excessive force, damage Alloy rims.high hardness, durable and very effective.<br> These tire levers suitable for Most of Bicycles Wheels Common Bicycle, Like Mountain Wheels, Road wheels, Folding wheel groups and so on.<br><br> <b>PS--</b><br> 1.Please kindly confirm the size of your bike tire before you buy, width between 1.75-2.125 tire.<br> 2.Before changing the tube, please check whether have some stones or sharp things that may broke the tube that stay in your tire.<br> 3.Remember to always add a little air (to give the tube form) to the new inner tube before installing. This will prevent it from bunching up and/or causing a pinch flat or possibly blowing the tire off the rim (when you immediately and fully inflate) which ultimately will pop the tube.<br> 4.Never over inflate past the recommended tyre pressure.