Extra Strong Self-Sealing Bicycle Tubes 27.5" x 2.0-2.40" Presta

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. Works in bicycles, wheelbarrows, wheelchairs, jogging strollers, snow blowers and much more.  No more flats for 2 years! Extra strong with Slime sealant inside Instantly seals tread area punctures up to 1/8″ (3mm) in size Seals multiple punctures repeatedly 27.5" x 2.0-2.40" Presta More Product Details Presta valve stem Pre-filled with puncture stopping Slime tube sealant Non-toxic and non-flammable Cleans up with water  Prevents flats for 2 years! Videos How to Select and Install a Slime Tube:  How Does Slime Work?   How to Find Your Tube Size Between the dozens of size options and the various valve stem types (Presta, what is that?), selecting the correct tube for your bike can be challenging. Check out our quick tube guide to help you select the perfect tire tube for your bicycle every time. Instructions & Tech Specs Extra Strong Self-Sealing Tubes Instruction Manual Slime Tube Sealant Safety Data Sheet