Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. - Valve length: 40mm

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes feature removable valve cores.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube features a 48mm-long valve stem ideal for deep-section rims.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes feature threadless valve stems and removable valve cores.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes feature removable valve cores.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

- Presta valve tube - 80mm valve has removable valve core

Challenge's S.C. Seamless Latex Cross Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 28 to 35mm wide, and has a 47.5mm-long valve with a removable core. - 72 grams

Challenge's S.C. Seamless Latex Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 19 to 28mm wide, and has a 47.5mm-long valve with a removable core. - 60 grams