Presta 19 23C Bicycle Valve（2 Patches Review

Light weight- 700x19-23C Bicycle Tubes - 42mm Long Presta Valve(2 Pack) with 3 Tire Levers, 6 Round Patches. 700x19-23C tube presta:High-Quality Rubber Material: Different from ordinary bicycle tubes, we use 100% high butyl rubber. The air tightness of this high-quality rubber is 10 times that of natural rubber, and it is not easy to break due to temperature changes. the allowable inflatable section is more elastic and resistant to puncture. 700x19-23C tube presta FREE TIRE LEVERS - Don't let flats delay your adventure. Replace your old bicycle tubes in a breeze with the Sharkreen 700x19-23C tube presta for Road Bike Replacement Inner Tubes. The included 3 tire levers With 6 Round Patches will enable you to pry the tires open and close them without any trouble for an easy and quick inner tube replacement - in as fast as 5 minutes!. 700x19-23C tube presta Valve42mm PRESTA VALVE WITH VALVE CAPS - With brass-reinforced construction, the 42mm Presta valve is brass reinforced and has a suitable length for road bikes with deep-section wheels. With the right pump and valve adapter, you'll have hassle-free inflation at all times. And with the addition of valve stem caps, you can keep your Presta valves clean, free from debris and protected in the rare event of a valve leak. 700x19-23C tube presta EXPLOSION-PROOF ROAD BIKE 700x19-23C tube presta bicycle tubes - Safety comes first with these high-quality inner tubes.Sharkreen inner tubes have self-sealing capabilities to prevent explosive punctures and massive flats.