These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. Slime Smart Tube Schrader Valve Bicycle Tube (16 X 1.75-2.125) – 30051:Works in bicycles, wheelbarrows, wheelchairs, jogging strollers, snow blowers and much more. Stop flats for 2 years! 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.

Slime Tire Sealant Slime Self-Sealing Smart Bike Tube:

•       Instantly seals tread area punctures up to 1/8" (3mm) in size using Fibro-Seal Technology.
•       When a puncture occurs, Fibro-Seal particles in Slime intertwine to create a flexible, long lasting plug. The escaping air pressure forces Slime into the hole, instantly repairing the puncture.
•       Works repeatedly for up to 2 years.

•       Non-flammable and non-toxic.