YunSCM 2pcs, 700 23c Tube Wall Thickness, Presta Long Valve

• ✅【700x18-25c Bicycle Tube】: Applicable to 700x18c/20c/23c/25c bicycles, Presta long valve 60mm, the best choice for high rims.Suitable for most road bikes and mountain bikes.Note: Please check the tire size before purchasing.Tire size is usually marked on the outer tire. • ✅【Does not take up much space and is convenient to carry】: The 700x18c tube is foldable and very small, so you can carry it with you when you go out for long distance bicycle rides, avoiding the awkward feeling of not being able to ride your bike due to a puncture of the tube. • ✅ [New release, thick design]: In order to meet the needs of customers who often ride bicycles on a daily basis and to further increase the durability of the tube, we have developed a thickened tube that is approximately 25% thicker than the regular tube and has a thickness that can be seen with the naked eye.The tube's explosion resistance and puncture prevention performance have been improved. • ✅【Made of high quality butyl rubber 700x18-25c】: This material can provide better airtightness, can hold air for a long time, and does not need to be constantly filled with air. • ✅【Budget Savings】: Doing it yourself will save your budget than going to the local store to replace your tires.As a spare bicycle tube, you can avoid the awkward feeling of not being able to ride after the tube bursts. • ✅【Correct installation method】: First, push the tube into the rim to let a small amount (20%) of air into the tube.Next, install the tire, make sure the edges of the tire and rim are aligned and the tube is not pinched, and then re-inflate the tube to the correct air pressure.(Please note that if the tube and tire are not inflated together, that is, if only the tube is inflated, or if the tube is sandwiched between the tire and the rim, air leaks and punctures may occur more easily.)