Urban/Gravel Bike Inner Tubes


Velowürks inner tubes are constructed of high quality butyl rubber for excellent air holding characteristics and long service life. Urban/Gravel inner tubes are available in  0.090mm standard thickness and are offered in a Presta, Schrader and Dunlop valve styles with a variety of valve stem lengths.

• Comprehensive range of tube sizes
• Three different valve types available (Presta/Schrader/Dunlop)
• 100% butyle rubber

Sizes - Valve Type

Model/Valve Type Size Valve Length
Schrader Valve Tubes
IT-87035/35 700×35-40C 35
IT-87040/35 700×40-45C 35
Dunlop Valve Tube
IT-728138/26.5 28×1 5/8×1 38 26.5 EP2
IT-728114/26.5 28×1 5/8×1 1/5 26.5 EP2
IT-728112/26.5 28×1 1/2 26.5 EP2
Presta (French) Valve Tubes
IT-97028/100 700×28-38C 100
IT-97028/80 700×28-38C 80
IT-97028/60 700×28-38C 60
IT-97028/48 700×28-38C 48
IT-97040/60 700×40-45C 60
IT-97040/48 700×40-45C 48