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. - 98g - 52mm valve length

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. - Valve length: 32mm

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. - Valve length: 32mm

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

Because it's hard to know when you're going to get a flat, it's always good to have extra tubes on hand. Specialized's Turbo Ultralight MTB Tube w/Talc is lightweight to save rotational weight. The Talc lets the tube move easier inside the tire for a better ride with fewer flats.

Giant's thorn tubes feature thicker rubber that prevents some punctures and flats.

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.

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. - 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

- ISO Diameter: 571 / 650c - ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm - Labeled Size: 650c x 18-23 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 80g (32mm), 86g (48m & 60mm), 88g (80mm)

Vee Tire Co. Specialty Presta Valve tubes are designed for Unicycle or Mountain Bike use. - Threaded Presta valve - Weight: 220 g

- Butyl rubber - Schrader valve - 20 x 1 3/8

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

- Butyl rubber - Schrader valve - 26 x 1-1.25

Giant's downhill tubes are super burly to withstand all the DH abuse you can dish out.

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.

- ISO Diameter: 520 / 24" mini bmx - ISO Width (mm): 29 mm - Labeled Size: 24 x 1-1/8 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 92g

A latex tube that offers weight savings, increased flexibility, and increased suppleness over butyl tubes. - Lightweight - 51mm valve stem with removable core - Latex tire sealant can be used without adverse effects

Even lighter, even more compact, and ideal as a spare, the S-Tubo-MTB tubes were developed to have a minimum possible packaging size. With a removable valve stem, the tubes have a size of only Ø3.5cm x 5cm height when packaged. The puncture resistance is the same as with standard butyl rubber tubes but with a weight of only 45g (for 29"). - 42mm valve length

At a featherweight 23g, the super-compact (when rolled up) S-Tubo-Road tubes stand out with very low rolling resistance which outpaces standard rubber tubes. With a 78% smaller packed size and the same puncture resistance as standard tubes, the S-Tubo-Road is the perfect choice as a spare and can be the crucial factor when you’re riding long and hard. - Ready for disc brakes (not suitable for rim brakes)

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

Aim higher: at 54% lighter, 2x more puncture-resistant, and 50% smaller packed size compared to standard rubber tubes, Tubo-BMX tubes jump to new heights. - 40mm valve length

- ISO Diameter: 622 / road / 29" - ISO Width (mm): 35 mm , 36 mm , 37 mm , 38 mm , 39 mm , 40 mm , 41 mm , 42 mm , 43 mm - Labeled Size: 700c x 35-43 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 140g

- Low Lead Valve - ISO Diameter: 406 / 20" BMX - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 98g (1.25-1.5), 114g (1.5-1.75), 130g (1.75-2.125), 152g (2.1-2.3)

- ISO Diameter: 559 / 26" mtn , 584 / 650b / 27.5" - ISO Width (mm): 33 mm , 34 mm , 35 mm , 36 mm , 37 mm , 38 mm , 39 mm , 40 mm , 41 mm , 42 mm , 43 mm , 44 mm - Labeled Size: 26 x 1.5-1.75 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight 152g (32mm), 158g (48mm)

For 29er tires, more than 100g per wheel can be saved with Tubo tubes compared to standard butyl tubes—and almost twice as much space when packaged. Their riding safety is twice as high as for standard tubes and offers maximum protection against a breakdown. The assembly is just as easy as standard tubes. Tubolito tubes are also a lightweight alternative to a tubeless setup. - 42mm valve length