Tubes: All Sizes/Types

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.

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.

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 Thorn Resistant Tube is thicker on the road side for puncture protection and thinner on the rim side for weight savings.

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.

Specialized's Standard Schrader Tubes are lightweight, high quality, and available in a number of sizes; just the thing you need for a repair or a spare.

Specialized's Standard Presta Tubes are lightweight, high quality, and available in a number of sizes; just the thing you need for a repair or a spare.

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 Airlock Self-Sealing Tube seals small punctures so you can keep riding.

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

The Kenda 35mm (Schrader valve) is made from butyl rubber. Kenda bicycle tubes are engineered to keep you on the right path.

• ISO Diameter: 438 , 451/ 20 x 1-1/8", 20 x 1-1/8" • ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm , 33 mm , 34 mm • Labeled Size: 20 x 1-1/8 - 1-3/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 98g

- The original tube for flat protection - Non-toxic and environmentally safe - Protects against punctures up to 1/8-inch

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

• ISO Diameter: 559 / 26" mtn • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 26 x 1.9-2.125 • Tube Compound: Butyl • Valve: Long Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

• Butyl rubber • Economy tube • Presta valve • Non-removable core • 700 x 18-25c

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

The Maxxis Downhill Tube can handle hard landings and rough terrain. If you don't like flatting, this tube's 1.5mm thick walls will keep you rolling through almost anything.

Durable enough to keep you rolling, yet light enough to not feel overly cumbersome in your jersey pocket. - Presta valve

• Butyl rubber • 48mm-long Presta valve (removable core) • 700 x 35-40 (27 x 1 3/8)

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

• Butyl rubber • Schrader valve • 12 1/2 x 2 1/4

- Butyl rubber - Thorn-resistant - Presta valve - 700 x 28-35 (27 x 1 1/4")

• Butyl rubber • Thorn-resistant • 32mm-long Presta valve • 700 x 35-40 (27 x 1 3/8)

• Butyl rubber • 32mm-long Schrader valve • 27.5 x 2.1-2.35 (650B)

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

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 700 x 35-40 (27 x 1 3/8)

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

Serfas replacement inner tubes are lightweight, durable, and affordable.

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.