Tubes: All Sizes/Types

These Giant tubes include flat sealant for reduced maintenance.

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

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.

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.

When building your featherweight dream bike, don't forget the tubes! Michelin's Aircomp Ultralight tubes are nearly weightless for minimum rolling resistance and maximum speed.

Reducing rotating weight is one of the greatest improvements you can make to any bike, which is why Bontrager's Race X Lite Tube uses a 0.6mm wall thickness to keep the weight low. And, it's equipped with a removable valve core for easy sealant application and simple core replacement.

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

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

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

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.

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.

Continental Light Tubes are made of a lightweight seamless butyl rubber and are individually tested for top quality. These tubes are nearly 30% lighter than standard tubes to make your wheels accelerate even faster and enhance the suppleness of your tires.

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

These Giant tubes include flat sealant for reduced roadside maintenance.

- Presta tube (700x20-25)

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.

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. This tube features a 48mm-long valve stem ideal for deep section rims.

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.

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.

Being prepared is never a bad thing. That's why you should keep an extra tube for your extra-wide Fatti-O tires on hand; that way, you are always ready to roll.

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

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.

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

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.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

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