CST 20 x 1.75/2.125 Schrader tube - 40mm

20-inch inner tube with a 40 mm Schrader (Auto) valve. Suitable for children’s bicycles, BMX bikes, and other 20" wheels. This CST inner tube ensures reliable air retention and durability for 20-inch tyres. The 40 mm Schrader valve allows easy inflation with most bicycle or car pumps. Ideal as a replacement or spare tube for children’s bicycles, BMX, or small-wheel bikes.

FEATURES:

• Brand: CST
• Wheel size: 20"
• Tire width: 1.75–2.125"
• ETRTO: 47-406
• Valve type: Schrader (Auto)
• Valve length: 40 mm
• Packaging: Without Box