Full TPU construction is light-weight down to the valve - about 40% less weight than a comparable Schwalbe extra light tubeThermoplastic polyurethane material offers improved puncture protection over standard tubes and prevents sudden air loss from puncturesOffers extremely low rolling resistanceExtremely heat resistant material won`t deteriorate with rim brake usePerforms like a standard tube even with low pressureEasy to install and resists pinching and slipping100% recyclable700x23-28PV40mm0dSmooth41g10400413UPC/EAN/GTIN: 4026495814027