Nutrak Self-Sealing Presta Valve Inner Tube 26 x 2.1 - 2.4 Inch 54/61-559

Self-sealing inner tube that will minimise any inconvenience from punctures
Contains a liquid sealant that will seal a puncture in the tread area up to 3 mm wide, upon rotation of the wheel Durable Welded butyl rubber construction Great value, puncture resistant replacement tube for mountain and city bikes Standard length Presta valve