Challenge produces the only seamless 'one-piece' latex inner tubes on the market providing a smooth, balanced ride with no pucker or bump like those found on other tubes

Latex tubes are lighter, thinner and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats

Includes a removable core Presta valve making them compatible with both inline and external valve extenders

Valve : Presta

Shaft Type : Non-threaded

Wheel Diameter : 700C

Valve Core : Removable

Thorn resistant : No

Valve Length : 47mm