YunSCM 2 Pack 27.5" Bike Tubes 27.5x2.125/2.25/2.35/2.40 ETRTO 57/62 584 FV48mm Presta Valve 27.5 Bicycle Compatible with 27.5x2.125 27.5x2.25 27.5x2.35 27.5x2.40 Tyre

【Size】27.5 x 2.125/2.4in bike tubes Presta Valve FV48mm. Suitable for mountain bike, raod bicycle, Cruiser. 【High Quality】The bicycle inner tube is made from premium butyl rubber. It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation. 【Easy to Install】Installing the bicycle tubes is quick and easy with the provided operating tools. Please follow the inflation guide when inflating a tire from completely flat. Replacing your old tire tubes is hassle-free and can be done within minutes, saving time and ensuring efficiency. 【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. 【Comfortable & Safe】After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe. 【Pratical Tire Lever】The tyre lever allows you to easily remove the inner tube from the tire when replacing the inner tube. 【After-sales Service】 If there is any problem about the product, you can contact us at any time, we will try our best to solve for you!