Tubes: All Sizes/Types

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.

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.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube is for use on rims with an ISO diameter of 451 millimeters.

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

• Butyl rubber • Schrader valve • 20 x 4 1/4 • Fits the rear tires on high-rise bicycles like Schwinn's Sting-Ray

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

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental's Downhill Tubes are made of seamless butyl rubber and are individually tested for top quality. These are Conti's heaviest-duty tubes, built extra-tough to withstand the constant abuse and impact of downhilling.

The name Airstop says it all. Michelin's Airstop tubes use a proprietary butyl rubber so your tires stay up to pressure longer. And, the reinforced valve stem seam is ultra sturdy, too.

The name Airstop says it all. Michelin's Airstop tubes use a proprietary butyl rubber so your tires keep their pressure longer. And, the reinforced valve stem seam is ultra sturdy, too.

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

- Presta tube (700x20-25)

These Giant tubes include flat sealant for reduced roadside maintenance.

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.

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. 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.

- Lightweight presta tube (27.5x2.1-2)

Giant's thorn tubes use thicker rubber to prevent some flats and punctures.

- No more flats for 2 years! - Extra strong with Slime sealant inside - Instantly seals tread area punctures up to 1/8" (3mm) in size - Seals multiple punctures repeatedly - Non-toxic and non-flammable - Cleans up with water

MICHELIN's Protek Max tubes use a proprietary butyl rubber with a unique shape and design so your tires hold their pressure longer. For excellent durability, the tube is reinforced at the valve too.

MICHELIN's Airstop name says it all. Their Airstop tubes use a proprietary butyl rubber that holds pressure longer so you won't have to top off your tires so much. These fine tubes are reinforced at the valve, too.