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

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.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

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.

• Low Lead Valve • ISO Diameter: 203 / 12.5 • ISO Width (mm): 57 mm • Labeled Size: 12 x 2-1/4 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

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.

• ISO Diameter: 559 / 26" mtn • ISO Width (mm): 60 mm , 61 mm , 62 mm , 63 mm , 64 mm , 65 mm , 66 mm , 67 mm , 68 mm , 69 mm • Labeled Size: 26 x 2.4-2.75 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 283g

• ISO Diameter: 406 / 20" BMX • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 92g (1.25-1.5), 118g (1.5-1.75), 132g (1.75-2.125)

- Size: 26 x 1.50-1.95 - Valve Type: Schrader - Valve Core: Removable - Flat Fold Width: 39mm - Wall Thickness: 0.9mm

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 • Schrader valve • 14 x 2.125

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.

Q-Tubes Value Series Schrader tubes: Price point tubes with 1.0mm wall thickness, removeable valve cores and simplified size specifications Removable Schrader valve core Individually packaged tubes in recycled cardboard Labeled Size: 14 x 1.75-2.125 Weight: 96 g ISO Width (mm): 47 mm , 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm Tube Compound: Butyl Valve: Standard Schrader Wall Thickess: 1 mm

- 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality

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.

• Sold each, individually boxed for store display • 36mm Presta valve • Removable valve core

- 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

• Butyl rubber • Schrader valve • 20 x 4 1/4 • Fits the rear tires on high-rise bicycles like Schwinn's Sting-Ray

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.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

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

• Butyl rubber • 48mm-long Schrader valve • 27.5 x 2.1-2.35 (650B)

• Butyl rubber • 60mm-long Schrader valve • 29 x 2.1 (700 x 50-52)

• Butyl rubber • Schrader valve • 20 x 1 3/8

MICHELIN's Airstop name says it all. Their Airstop tubes use a proprietary butyl rubber that holds pressure longer so you won't have to top off your tires so much. These fine tubes are reinforced at the valve, too.

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1 1/8 (451 x 25)

• Butyl rubber • Schrader valve • 20 x 2.75-3

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