YunSCM 2PCS 29 inch Bike Inner Tubes 29x2.125/2.4 ETRTO 57/62 622 AV32mm Schrader Valve Compatible with 29x2.125 29x2.20 29x2.25 29x2.3 29x2.35 29x2.40 Road/Mountain Tyre

Size: For 29-inch wheel,Fits tyre width between 2.125- 2.40,Valve : AV32 High Quality: The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation. Easy Installation: Installation is quick and easy. Please follow inflation guide when airing a tyre from a complete flat. Save time and effort, replace the old tube in a few minutes. Important Note: When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tyre to the rim on both sides. Comfortable and Safe: After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe. Attention: The diameter of the Schrader Valve 8mm, which is the international standard size. If your tire rim hole belongs to Presta Valve 6mm, purchasing Schrader Valve may cause installation difficulties and errors. Please consider purchasing the corresponding valve for installation to avoid situations where the valve hole diameter is not suitable!