French/Presta valve stem, high quality lightweight butyl inner-tubes, prefilled with Joe’s Road Racing Sealant, The world’s most effective anti-puncture sealant! Specially engineered to seal punctures at the high air pressures of road racing wheels.
Instantly seals punctures in the tread up to 3mm. Available in superlight weight tubes.
Buy No Flats Joe's Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.