Q-Tubes Tube (700c x 18-23mm, Presta Valve)

• 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 ...(Read More)

Q-Tubes Tube (700c x 18-23mm, Presta Valve)
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Details

• 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)

Schrader valves are identical to those found on car tires. These valves are generally used on hybrid and children's bikes. Presta valves, which are found on most road and off-road bikes, are longer and thinner and feature a threaded tip, which must be opened to inflate (turn counterclockwise).