- 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)

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

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

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

Continental Light Tubes are made of a lightweight seamless butyl rubber and are individually tested for top quality. These tubes are nearly 30% lighter than standard tubes to make your bicycle easier to ride. - 42mm valve: 70 grams - 60mm valve: 80 grams - 80mm valve: 90 grams

- 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: 92g (32mm), 94g (48mm), 96g (60mm), 98g (80mm)

- Valve type: Presta - Valve core: Removable - 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 Note: This product may have different packaging than pictured with a slightly different labelled size. Rest assured, the size range on the package will have the same or a broader functional range as the listed sizing of the product you ordered.

The name Airstop says it all. Michelin's Airstop tubes use a proprietary butyl rubber so your tires stay up to pressure longer. And, the reinforced valve stem seam is ultra sturdy, too. Weight: 196 grams (40mm); 198 grams (60mm)

- 4.0mm thickness - Available in Presta and Schrader valves

- Presta valve tube - 80mm valve has removable valve core

- 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)

- Butyl rubber - Thorn-resistant - Economy tube - Schrader valve - Wall thickness: 3.7mm/1.7mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm

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

- Standard 1mm tube thickness - Removable-core Presta valve

- Size: 29 x 1.9 – 2.3 - ISO Diameter: 622 / road / 29" , 630 / 27" - ISO Width: 48mm, 49mm, 50mm, 51mm, 52mm, 53mm, 54mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 176g (32mm), 178g (48mm)

- Size: 700c x 28 – 32 - 4mm wall thickness in the tread area and 2mm in the rim area - ISO Diameter: 622 / road / 29" , 630 / 27" - ISO Width: 28mm, 29mm, 30mm, 31mm, 32mm - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 400g

These are no ordinary bicycle tubes! These extra strong inner tubes stop flats for 2 years because there is Slime inside. - 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

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

- Standard 1mm tube thickness - Presta valve

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

- Valve type: Schrader - Valve core: Removable - Valve stem: Smooth - 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. Special quality control that prevents unpleasant surprises. - 40mm valve length

- Valve Type: Presta - Valve Core: Removable - Butyl rubber - Wall Thickness: 4.3mm

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

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

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm - Thorn-resistant

- 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)

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