Bike tube. Size: 29x1.8 - 2.2 (622-48/55). Valve: Auto. 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
