Q-Tubes Value Series Schrader tubes: Price point tubes with 1.0mm wall thickness, removable valve cores and simplified size specifications - Removable Schrader valve core - Individually packaged tubes in recycled cardboard - Labeled Size: 27 x 1-3/8 (700x35-40) - Weight: 165 g - ISO Width (mm): 35 mm , 36 mm , 37 mm , 38 mm , 39 mm , 40 mm - Tube Compound: Butyl - ISO Diameter: 622 / Road / 29" , 630 / 27" - Valve: Schrader - Wall Thickness: 1 mm

- Butyl rubber - Economy tube - Schrader valve

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality. - 42mm valve length

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

- Low Lead Valve - ISO Diameter: 340 , 349 / 16" recumbent - ISO Width (mm): 35 mm - Labeled Size: 16 x 1-3/8 - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight (g): 86 g

- 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 Shaft: Smooth - Weight: 94g

- Low Lead Valve - ISO Diameter: 540 / wheelchair - ISO Width (mm): 28 mm - Labeled Size: 24 x 1-1/8 - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 94 g

- 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)

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 24-inch wheels.

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.

Kenda Presta 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.

- ISO Diameter: 340 , 349 / 16" recumbent - ISO Width (mm): 35 mm - Labeled Size: 16 x 1-3/8 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 84g

- 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)

- 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

- ISO Diameter: 438 , 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: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 98g

- 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

- ISO Diameter: 540 / wheelchair - ISO Width (mm): 35 mm - Labeled Size: 24 x 1-3/8 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 122g

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 - ISO Diameter: 540 / wheelchair - ISO Width (mm): 25 mm - Labeled Size: 24 x 1 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 83g

- 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

- ISO Diameter: 559 / 26" mtn - ISO Width (mm): 25 mm , 26 mm , 27 mm , 28 mm , 29 mm , 30 mm , 31 mm - Labeled Size: 26 x 1-1.25 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 96g

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

- ISO Diameter: 622 / road / 29" , 630 / 27" - ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm - Labeled Size: 700c x 18-23 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 100g (32mm), 101g (48mm & 60mm), 103g (80mm)

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

- ISO Diameter: 622 / road / 29" - ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm - Labeled Size: 700c x 28-32 - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 128g (32mm), 129g (48 & 60mm)

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