SYOSI 2 Pcs 20" Bicycle Tubes, 20x1.75-2.125 Inches Bicycle Tube with 2 Tire Levers Butyl Rubber Bike Inner Tube with 32mm Schrader Valve for Road/MTB/Kids Bike

?【Premium Material】: 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. No bumps will be felt during riding., ?【Good Tightness】: Strong wear resistance, not easy to break and deform during use. The inflation port has a protective cover, so the gas in the bicycle tube is not easy to leak., ?【Easy to Install】: With 2 pcs levers, used to remove and install the bike inner tubes to prevent fingers from being caught by the tire and without damaging the rim., ?【Wide Applications】: The bicycle tube fits the bikes with 20'' tires that are between 1.75'' to 2.15'' wide. (20''x 1.75, 20''x 1.90, 20''x 1.95, 20'' x 2.10, 20''x 2.125), ?【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 s