Q-Tubes for Hybrid Bicycles. These tube will fit the larger hybrid tires that are 700 x 38-45mm. They come in either a Schrader or Presta valve stem. For a more narrow hybrid tube you should select the 700 x 28-32mm on the road tubes.
700 x 40-45 Schrader
700 x 40-45 48mm Presta