Schwalbe SV20 Extra Light Road Tubes are made from 20% recycled rubber, so not only are they low in weight, they're lower in their carbon footprint. All valves are nickel plated and threaded and valve inserts are replaceable.

Specifications
Fits Tyre Sizes: 700c x 18-25mm
Valve Type: Presta

Mfr Claimed Weight
65g

Note: Sold as a single tube.