Nutrak Self Sealing Tubes make the daily commute to work much less hassle. Minimise any inconvenience with liquid sealant that seals punctures in the tread up to 3mm wide, as your wheel rotates. These inner tubes are constructed of durable butyl rubber that will go the distance. Ideal tubes for city riding. Key Features Self-sealing inner tube that will minimise any inconvenience from puncturesContains a liquid sealant that will seal a puncture in the tread area up to 3 mm wide, upon rotation of the wheelDurable welded butyl rubber constructionGreat value, puncture resistant replacement tube
