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.

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 Presta 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 Schrader 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.

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.

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

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

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

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.

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

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

• 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)

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

• 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

• 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

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

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

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

• Low Lead Valve • ISO Diameter: 305 / 16" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 76g (1.25-1.5), 92g (1.5-1.75), 102g (1.75-2.125)

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 features a 48mm-long valve stem ideal for deep section rims.

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

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