These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside.
- 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
- Non-toxic and non-flammable
- Cleans up with water