cyclingcolors Unisex_Adult 3701260818134 Inner Tube, Black, 700x19/23C

Set of 2 (2) bicycle inner tubes; ideal for road types, racing, gravel, fixie, singlespeed, etc. Size: 700x19/23C; The outer diameter of the tyre is 700mm (value indicated on your tyre side) and the section (or rim width) is 19 to 23C; PRESTA type valve (french valves, small valves); the cap is only dust cover, only the valve nut allows the seal (check its good closure after inflating); With this set of two (2) inner tubes, you won't have to ride without a spare chamber