Slime Smart Tubes seal punctures while you ride due to being filled with the precise volume of Slime Sealant, preventing flats for anything up to two years.
The Microfibers in Slime's patented formula are carried by the escaping air to the puncture, where they build up to form a plug that stops air loss, sealing a tread area puncture up to 3mm.
- Instantly seals up to 1/8" (3mm) punctures
- Provides flat tire protection for up to 2 years
- Pre-filled with environmentally-friendly Slime tube sealant
- 20" x 1.75 - 2.125
- Schrader valve
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