- Shim adds support to presta stem used in a schrader rim

• Butyl rubber • 48mm-long Presta valve (smooth/removable core) • 26 x 1 (650 x 18)

- Butyl rubber - Presta Valve - Valve Angle: 0d - Removable Valve Core - Flat Fold Width: 22mm - Wall Thickness: 0.9mm

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

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1 3/8 (451 x 32)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1.25-1.5 (406 x 37-45)

• 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 • 26 x 1-1.25

• Butyl rubber • Schrader valve • 26 x 1.5-1.75

• Butyl rubber • 48mm-long Schrader valve • 26 x 1.9-2.35

- Valve Type: Schrader - Valve Length: 35mm - Valve Stem: Smooth - Valve Core: Removable - Flat Fold Width: 51mm - Wall Thickness: 0.9mm

• Butyl rubber • Schrader valve • 27 x 1-1/4

• Butyl rubber • Schrader valve • 28 x 1 1/2

• Butyl rubber • Thorn-resistant • Schrader valve • 26 x 2.35-2.5

• Butyl rubber • Economy tube • Schrader valve • 35mm valve stem • 26 x 3.5-4.0

- Valve Type: Schrader - Valve Core: Removable - Flat Fold Width: 44mm - Wall Thickness: 0.9mm

Your little ones have a youthful, intrepid spirit that sees them riding wherever the wind takes them. Most of the time, however, it takes them straight through thorns and debris, leaving you with the unenviable task of changing out flat after flat. But with our Standard Schrader Valve Youth Tubes, you'll have the peace of mind that they're riding on tough tubes that are built strong to last. And to make sure of it, they feature a molded method of construction that ensures a consistent thickness of butyl rubber— meaning that they'll roll smooth and stay tough, ride after ride. - Consistent thickness for the utmost in quality.

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

Schwalbe tubes retain air pressure considerably longer than standard tubes. The quality and purity of the rubber mixture directly affects the quality of the tube.

• ISO Diameter: 400/18" • ISO Width (mm): 35 mm • Labeled Size: 18 x 1-3/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 98g

• Low Lead Valve • ISO Diameter: 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: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 94g

• 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)

• ISO Diameter: 520 / 24" mini bmx • ISO Width (mm): 29 mm • Labeled Size: 24 x 1-1/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 92g

• Low Lead Valve • ISO Diameter: 540 / wheelchair • ISO Width (mm): 35 mm • Labeled Size: 24 x 1-3/8 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 124g

• ISO Diameter: 571 / 650c • ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm • Labeled Size: 650c x 18-23 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 89-92g

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: 27x1-1/8–1-1/4,700x28-32 Weight: 165 g ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm Tube Compound: Butyl ISO Diameter: 622 / Road / 29" , 630 / 27" Valve: 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.