- 2-ply rubber shield fits between tire and tube to prevent flats - Pair

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 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. These tubes feature threadless valve stems and removable valve cores.

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 accelerate even faster and enhance the suppleness of your tires.

• ISO Diameter: 622 / road / 29" • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 29 x 1.9-2.3 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 226g

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes fit older Schwinn bicycles with 26 x 1-3/8-inch wheels.

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

- Presta tube (700x20-25)

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 feature thicker rubber that prevents some punctures and flats.

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.

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 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.

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 622 / road / 29" , 630 / 27" • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 29 x 1.9-2.3 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 673g

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.

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.

This tube features high-density rubber for fewer flats.

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. These tubes feature removable valve cores.

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