Tubes: All Sizes/Types

- Valve Type: Presta - Valve Core: Non-Removable - Wall Thickness: 0.9mm

Serfas replacement inner tubes are lightweight, durable, and affordable. The thorn-resistant version helps reduce the chances of flats.

- 0.8mm walls (0.9mm walls for 16", 20", 24" sizes) - Puncture resistant

- Valve Type: Presta - Valve Stem: Smooth - Valve Core: Non-Removable - Flat Fold Width: 44mm (1.75-2.10), 78mm (3.0-3.50) - Wall Thickness: 0.9mm

- ISO Diameter: 406 / 20" BMX - Wall Thickness: 0.9mm - Tube Compound: Butyl - Valve: Standard Schrader - Shaft Type: Smooth - Valve Core: Removable

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

We're not afraid to say it—our Airlock Presta Valve Tubes are the best performing, self-sealing bicycle tubes available on the market. That's because they feature our powerful Airlock sealant that coats the tube for permanent protection against punctures. Not only this, but the sealant is designed to work continuously in order to prevent slow leaks from occurring, so erring complete catastrophe, you won't have to worry about flatting when you're riding over debris. We even addressed the common issue of sealant pooling with a completely homogenous design, so the tire/tube combo will always roll smooth and even. - Airlock sealant for greater protection. - Non-toxic, non-separating formula. - Works continuously to prevent slow leaks. - Homogenous design prevents puddles.

- Size: 650B x 35 – 43 - ISO Diameter: 584 / 650b / 27.5" - ISO Width: 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 83g

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. Special quality control that prevents unpleasant surprises. - 40mm valve length

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm - Wheelchair-compatible

This is Surly’s 29 x 3-inch Presta valve tube. It fits their Knard tires and is made of butyl rubber.

- Butyl rubber - Economy tube - Wall thickness: 0.9mm - Removable valve core

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

- Butyl rubber - Economy tube - Removable valve core - Wall thickness: 0.9mm

- 4mm wall thickness in the tread area and 2mm in the rim area - ISO Diameter: 559 / 26" mtn , 584 / 650b / 27.5" - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Length: Schrader - Valve Shaft: Smooth - Weight: 452g (1.5-1.75), 642g (1.9-2.125)

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.

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 Presta 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 - 32mm Presta valve

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

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

Aim higher: at 54% lighter, 2x more puncture-resistant, and 50% smaller packed size compared to standard rubber tubes, Tubo-BMX tubes jump to new heights. - 42mm valve length

- Low Lead Valve - ISO Diameter: 451/ 20 x 1-1/8", 20 x 1-1/8" - ISO Width (mm): 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm - Labeled Size: 20 x 1-1/8 - 1-3/8 - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 94g

- Size: 26 x 1-3/8 - ISO Diameter: 584 / 650b / 27.5" , 590 / 26 x 1 3/8" - ISO Width: 37mm - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 136g