Sunlite 700x35-40 - Thorn Resistant 33mm Presta Valve

No one likes getting flats. The good news is, they can be easily avoided. With 4.3mm wall thickness, these thorn resistant tubes prevent flats from goat heads and other other frequent flat causes.

• Size: 700x23-25
• Stem Length: 48mm, Presta Valve
• 4.3mm wall thickness prevents punctures
• Installs like any other inner tube