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 Microfibres 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.

Please Note: Although these Self Healing Inner Tubes are a truly excellent product and will fix the vast majority of punctures, they are not guaranteed to fix all punctures all of the time.

• 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
• 26″ x 1.75 – 2.125
• (47/57-559mm)
• Presta 48mm valve