The Slime Self Healing 29er Inner Tube delivers an exceptional amount of durability to your tyres and provides flat tyre protection up to an impressive two years. This Slime 29er Inner Tube has been pre-filled with eco-friendly Slime tube sealant, taking care of punctures so you don’t have to.This revolutionary Slime Sealant works to keep you going even after a puncture by instantly sealing up to a 3mm-diameter wound in your tyre. Fantastic for racing in any discipline, this self-sealing inner tube can save you precious minutes and a lot of hassle fixing a puncture. No matter what happens, you’ll be able to keep going with the Slime 29er Inner Tube!Slime Self Healing29er Inner Tube FeaturesPre-filled inner tube with Slime SealantEnvironmentally-friendlyInstantly seals up to 3mm-diameter puncturesProvides flat tyre protection for up to two yearsAvailable as SV (Schrader) and PV (Presta)