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

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 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. 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. - 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

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.

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.

- 2.25mm wall thickness - ISO Diameter: 559 / 26" mtn - ISO Width (mm): 60 mm , 61 mm , 62 mm , 63 mm , 64 mm , 65 mm , 66 mm , 67 mm , 68 mm , 69 mm - Labeled Size: 26 x 2.4-2.75 - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 694g

- ISO Diameter: 622 / road / 29" - ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm - Labeled Size: 700c x 18-23 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 80g (32mm), 84g (48mm & 60mm), 88g (80mm)

- Low Lead Valve - ISO Diameter: 507 / 24" BMX - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 150g (1.5-1.75), 156g (1.9-2.125), 180g (2.1-2.3)

- ISO Diameter: 622 / road / 29" - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Length: Schrader - Valve Shaft: Smooth - Weight: 110g (23-25mm), 128g (28-32mm), 144g (35-43mm), 160g (40-45mm)

- ISO Diameter: 622 / road / 29" , 630 / 27" - ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm - Labeled Size: 700c x 18-23 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 100g (32mm), 101g (48mm & 60mm), 103g (80mm)

- 4mm wall thickness in the tread area and 2mm in the rim area - ISO Diameter: 559 / 26" mtn , 584 / 650b / 27.5" - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Length: Schrader - Valve Shaft: Smooth - Weight: 452g (1.5-1.75), 642g (1.9-2.125)

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 Road 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.

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

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

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

Made for tire widths from 30mm to 40mm and ready for rim brakes and disc brakes, the Tubo-CX/Gravel is twice as robust as standard tubes. At the same time, due to its low weight of 54g, it guarantees twinkle-toed rides. The 50% smaller packed size makes it easier to stuff a spare tube in every pocket.

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

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

- Designed to improve rotational stability by decreasing rotational mass at the valve body - Lightweight aluminum Presta-valve body - Removable valve core - Extenders are available and sold separately

Kenda Presta valve tubes are dependable replacements. Use them to build up your bike, and throw a spare in your bag so you can keep on riding.

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