Continental Tubes - 29in Presta Valve 42mm, 29x1.75-2.5
Continental Tubes - 29in Presta Valve 42mm, 29x1.75-2.5, We never know for sure when we'll have to put in a fresh tube, so we save ourselves the trouble of walking home by keeping a spare Continental 29in Tube with us. It will fit easily into a seat pack or back pocket, making it easy to keep on hand when an unwanted flat comes our way.