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.

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

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.

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

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

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

• 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.

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

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

• 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

• 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)

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

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

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

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.

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.

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

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.

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.

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

The MTN Tube Spool is a simple, compact system that'll carry everything you need to fix a flat without weighing you down. To do so, its design allows for a spare tube, with up to a 48mm valve stem, to be rolled-up without damaging the tube. Meanwhile, the Spool can easily hold a lever, CO2 cartridge, and a valve head. - Patent-pending design allows the spare tube to be rolled up while protecting valve stem from rubbing a hole through the rubber. - CO2 valve head and two-sided tire lever snap into place for compact and secure storage. - Holds a single threaded 25g CO2 cartridge. - Fits up to 48mm long tube valve stems. - Hook and loop strap can slide side to side to accomodate all different size mountain tubes