Top quality rubber blend Instead of a fully round tube, Gaddi features two capped ends. Two Ended Inner Kenda 700x20-28C 60mm Non-Thread Presta Valve Tube Bike Tubes 29 Inch Aazon.co : GAADI Presta Valve Tube Types of Bike Tire Valves: All You Need to Know - Bike A Ton Presta valves are often used for the narrow rims of road bikes, since Presta valves are 2 mm narrower than other valves. They are also known as French valves... Able to install tube without taking off the wheel Just slightly inflate and install until the ends touch., Abracadabra.
