Bike/Bicycle Tyre Inner Tubes 48MM - 29*1.95/2.125

【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 tire from a complete flat. Save time and effort, replace the old tube in a few minutes., 【Comfortable and Safe】After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe., 【Valve】48mm schrader Valve. Always get the correct measurements and valve type before buying and installing a new bike tube., 【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 tire to the rim on both sides