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

Surly Inner Tube to fit a wide range of plus-size and fat bike tires. - Labeled Size: 26 x 3.0 - 4.8 - Weight: 310 g - Valve Core: Removable - Shaft Type: Threaded - ISO Width (mm): 76mm–100mm - Tube Compound: Butyl - ISO Diameter: 559 / 26-inch MTN - Valve: Presta Short 32-40mm

- Butyl rubber - 32mm-long Presta valve (Threaded/removable core) - 26 x 1.5-1.95

- 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

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.

Q-Tubes Fat Tubes have what you need for big tires -1.0mm wall thickness -Q-Tubes Fat Bike tubes feature environmentally friendly soy ink printing on recycled cardboard Labeled Size: 26 x 4.0-4.8 Weight: 580 g ISO Width (mm): 100 mm , 101 mm , 102 mm , 103 mm , 104 mm , 105 mm , 106 mm , 107 mm , 108 mm , 109 mm , 110 mm , 111 mm , 112 mm , 113 mm , 114 mm , 115 mm , 116 mm , 117 mm , 118 mm , 119 mm , 120 mm ISO Diameter: 559 / 26" MTN Valve: Standard Schrader Wall Thickess: 1 mm

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 622 / road / 29" , 630 / 27" • ISO Width (mm): 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 29 x 2.1-2.3 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 681g

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 622 / road / 29" , 630 / 27" • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 29 x 1.9-2.3 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 673g

• 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)

• Low Lead Valve • ISO Diameter: 507 / 24" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 150g (1.5-1.75), 156g (1.9-2.125), 180g (2.1-2.3)

• ISO Diameter: 559 / 26" mtn • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • 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)

The Q-Tubes Standard Line Presta Valve tubes feature QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability .9mm wall thickness Removable Presta valve core Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard Labeled Size: 27.5 x 2.8-3.2 Weight: 325 g Valve Core: Removable Shaft Type: Threaded ISO Width (mm): 70 mm , 71 mm , 72 mm , 73 mm , 74 mm , 75 mm , 76 mm , 77 mm , 78 mm , 79 mm , 80 mm , 81 mm , 82 mm , 83 mm Tube Compound: Butyl ISO Diameter: 584 / 650b / 27.5" Valve: Presta Short 32-40mm Wall Thickess: .9 mm

Giant's thorn tubes feature thicker rubber that prevents some punctures and flats.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube is for use on rims with an ISO diameter of 451 millimeters.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes fit older Schwinn bicycles with 26 x 1-3/8-inch wheels.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube features a 48mm-long valve stem ideal for deep section rims.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes feature removable valve cores.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes feature removable valve cores.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube features a 48mm-long valve stem ideal for deep section rims.