Serfas Thorn Proof Inner Tube (Schrader Valve) Underwear & Socks Engineered for optimal lift and

Engineered for optimal lift and to withstand years of use

And you'll do both in this simple

Nutrition Flavor: Cherry

80% Polyester/ 20% Lycra Spandex

Comfortable

Serfas Thorn Proof Inner Tube (Schrader Valve) Underwear & Socks Engineered for optimal lift andSerfas' most puncture resistant tube All Tubes Are Inflated For 24 Hours To Test For Leaks Presta Valves Now come With Removable Valve Cores Presta Valve Stems Are Threaded All The Way Down Presta & Schrader Valves Available High Quality Premium Construction Sizes: 20 x 1. 5 2. 2 Schrader 26 x 1. 75 2. 2 Schrader 27 x 1 1 4 Schrader 29 x 1. 9 2. 125 Schrader 700 x 25 32c Schrader 700 x 35 43c Schrader