Ultra lightweight replacement Vittoria latex tube for road bikes with Presta valve. Latex inner tubes result in less rolling resistance than butyl inner tubes do, it's also lightweight than butyl tubes.
The Vittoria Latex road inner tube is a must have cycling essential for 700c bike wheels if you like watching your bike weight. Latex tubes will require pumping up more often as due to the material used in construction, air seeps out slowly over time.