Serfas Thorn Proof Inner Tube (Schrader Valve) Underwear & Socks Schrader and Dunlop valves without

Schrader and Dunlop valves without switching internal parts

Engineered for optimal lift and to withstand years of use

Warm-up and cool-down methods

2 Cyclone Chain Scrubber – Instructions

Antibacterial and antimicrobial Silver dioxide fiber technology to maintain garment freshness

Serfas Thorn Proof Inner Tube (Schrader Valve) Underwear & Socks Schrader and Dunlop valves withoutSerfas' 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