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.

- Size: 700c x 23 – 25 - ISO Diameter: 622 / road / 29" - ISO Width: 23mm, 24mm, 25mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 125g (32mm), 126g (48 & 60mm), 128g (80mm)

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 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.

Developed in cooperation with BASF and with experts from the German plastic manufacturing industry, the Aerothan tube emerged to not only meet all the requirements of a high-end bicycle tube, but to exceed them. - Fully light-weight, right to the valve. About 40% less weight than a comparable Schwalbe extra light tube - Puncture protection newly defined, the material itself prevents sudden air loss - Minimal rolling resistance - maximum riding dynamics - Extremely heat resistant - certified for rim brakes - A stable ride - even with low air pressures - Easy installation - without slipping or pinching - 100% recyclable

- ISO Diameter: 406 / 20" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta - Valve Shaft: Threaded - Valve Core: Removable

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 bicycle easier to ride. - 42mm valve: 70 grams - 60mm valve: 80 grams - 80mm valve: 90 grams

- Polyurethane tube - Twice as strong as a regular butyl tube - Super lightweight - Very compact

- Size: 700c x 35 – 43 - ISO Diameter: 622 / road / 29" - ISO Width: 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 122g (32mm), 124g (48mm), 126g (60mm)

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. - Valve length: 48mm

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

Tough conditions demand tough tubes. Michelin's Aircomp DH tubes are perfect for running low pressures and taking huge hits at high speed.

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

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

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

Continental Supersonic Tubes are super light so you enjoy less rotating weight for easier acceleration and climbing. Made of seamless butyl rubber, they are individually tested for top quality. - 50 grams

- Size: 700c x 40 – 45 - ISO Diameter: 622 / road / 29" - ISO Width: 40mm, 41mm, 42mm, 43mm, 45mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 188g (32mm), 189g (48mm)

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. - Weight: 128 grams (Schrader valve)

Super light at only 38g, the Tubo-ROAD-700c makes racing bikes even lighter. It's 70g lighter compared to a standard tube, a decisive success factor both over challenging long distances and when it comes to seconds. Suitable for disc and rim brake wheels.

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

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.

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

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

These Giant tubes include flat sealant for reduced roadside maintenance.

- Size: 650c x 18 – 23 - ISO Diameter: 571 / 650c - ISO Width: 18mm, 19mm, 20mm, 21mm, 22mm, 23mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 89-92g

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

- ISO Diameter: 622 / Road / 29" - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta - Shaft Type: Threaded - Valve Core: Removable

The Teravail Standard Schrader and Presta Valve tubes feature our widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability. - 0.9mm wall thickness - Removable Presta valve core - Teravail Standard packaging features environmentally friendly soy ink printing on recycled cardboard - Size: 700c x 30 – 43 - ISO Diameter: 622 / road / 29" - ISO Width: 30 – 43mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 140g

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. - Valve length: 35mm