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. - 98g - 52mm valve length

- ISO Diameter: 406 / 20" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta - Valve Shaft: Threaded - Valve Core: Removable

- Size: 700c x 23 – 25 - ISO Diameter: 622 / road / 29" - ISO Width: 23mm, 24mm, 25mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 125g (32mm), 126g (48 & 60mm), 128g (80mm)

- 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

- 0.9mm Wall thickness - 700 x 18-25C = 27 x 1 - 700 x 28-35C = 27 x 1-1/8, 1-1/4 - Compliant with California Proposition 65

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

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.

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

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.

- Low Lead Valve - ISO Diameter: 305 / 16" BMX - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 76g (1.25-1.5), 92g (1.5-1.75), 102g (1.75-2.125)

- Size: 700c x 40 – 45 - ISO Diameter: 622 / road / 29" - ISO Width: 40mm, 41mm, 42mm, 43mm, 45mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 188g (32mm), 189g (48mm)

- ISO Diameter: 622 / road / 29" - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Length: Schrader - Valve Shaft: Smooth - Weight: 110g (23-25mm), 128g (28-32mm), 144g (35-43mm), 160g (40-45mm)

- 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

- 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

- Low Lead Valve - 4mm wall thickness in the tread area and 2mm in the rim area - ISO Diameter: 406 / 20" BMX - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 450g (1.5 – 1.75), 475g (1.75 – 2.125)

- ISO Diameter: 622 / road / 29" - Tube Compound: Butyl - Valve: Long Schrader - Valve Core: Removable - Valve Length: Schrader - Valve Shaft: Smooth

- ISO Diameter: 507 / 24" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Standard Schrader - Shaft Type: Smooth - Valve Core: Removable

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

- ISO Diameter: 559 / 26" mtn - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 102g (1-1.25), 165g (1.5-1.75), 174g (1.9-2.125), 198g (2.1-2.3), 281g (2.4-2.75)

- Size: 700c x 35 – 43 - ISO Diameter: 622 / road / 29" - ISO Width: 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 140g

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

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. - 77g

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. - 40mm Presta valve - 166g

- High-quality, ultra-low weight tube that retains air just as well as conventional butyl tubes - Possesses the same resistance to punctures - 40mm valve length

Kenda Schrader valve tubes are dependable replacements. Use them to build up your bike, and throw a spare in your bag so you can keep on riding.

- Valve Type: Schrader - Valve Length: 32mm - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- ISO Diameter: 305 / 16" BMX - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 76g (1.25-1.5), 88g (1.5-1.75)

- Valve: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

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

- ISO Diameter: 507 / 24" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded