The CST 26 × 1‑3/8 Schrader inner tube is designed for 26" tyres, providing reliable air retention and durability for everyday cycling. The standard Schrader (Auto) valve allows easy inflation with most bicycle or car pumps. Ideal as a replacement or spare tube for children’s bicycles, mountain bikes, or hybrid bikes with 26" wheels.

Specifications:

• Brand: CST
• Wheel size: 26"
• Tire width: 1‑3/8"
• ETRTO: ~37‑590
• Valve type: Schrader (Auto)
• Valve length: ~40 mm (typical)
• Material: Butyl rubber – elastic and airtight
• Packaging: shrink wrapped