Challenge 700c Presta Tubes

features a presta valve design and is the perfect replacement option for a flat tire. Whether stocking up to reduce downtime, or grabbing to get a bike back up and running, Continental ...

and has a lower thickness and so it is imperative that inflation pressures are maintained to prevent the risk of pinch flats. Shave the grams off with the Conti MTB Light Tube. ...

and features a presta valve with a removable stem for ease of use. Don't let bad luck be a "thorn" in your side. Be prepared with the Conti MTB Tube.

and features a presta valve with a removable stem for ease of use. Don't let bad luck be a "thorn" in your side. Be prepared with the Conti MTB Tube.

riding a mixed wheel size mullet bike? Can’t decide to bring a 27.5” or 29” spare? Or do you just want to be a trail hero saving others with your versatile tube ...