Slime Smart Tube - 20" x 1.50-2.125 - Schrader Valve

Slime Pro Smart Tubes have the sealing power of our standard tubes minus the weight. They instantly and repeatedly seal punctures for up to 2 years! Size: 20" x 1.50-2.125 Schrader Valve - Instantly seals up to 1/8 (3mm) punctures - Provides flat tyre protection for up to 2 years - Pre-filled with environmentally-friendly Slime tube sealant - Schrader Valve - Slime Pro Smart Tubes are pre-installed with Slime and provide maximum puncture protection. That means longer distances, faster times and no flat tyres.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. - Non-toxic and non-flammable - Cleans up with water