Schwalbe SV19A Extra Light Tubes are for gravel, cyclocross, 27.5" and 29" MTB, and tyre widths from 1.5" up to 2.35". 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. Less likely to leak, and more reliable.

Specifications
Fits Tyre Sizes: 29", 28", 27.5" (Width 1.5" to 2.35")
Valve Type: Presta

Mfr Claimed Weight
140g