Nashbar 700c Presta Thorn Resistant Tube - 48mm Valve
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Flats certainly have a way of putting a damper on any ride. If you ride in areas with conditions more conducive to punctures (rough surfaces, presence of thorns/glass/sharp debris) then the Nashbar 700c Presta Thorn Resistant tube is exactly what you should be using. While standard tubes feature a thickness of 0.9mm, this thorn resistant version sports a beefed-up thickness of 1.7mm on the side plus a thickness of 3.7mm for the portion of the tube under the tread. The tube is available in three sizes to accommodate 700c tires ranging from 700x18 through 700x37 and sports a valve length of 48mm.
- Tube thickness ranges from 1.7mm (sides) to 3.7mm (under the tread) for superb puncture protection
- Three size options: 700x18-23, 700x25-32, 700x33-37
- 48mm Presta valve
- Butyl rubber construction