The name Airstop says it all. Michelin's Airstop tubes use a proprietary butyl rubber so your tires keep their pressure longer. And, the reinforced valve stem seam is ultra sturdy, too.

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.

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.

- 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

• 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

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

• 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.

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

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.

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.

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.

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)

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.