The CST 22 × 1‑3/8 Schrader inner tube is designed for 22" tyres, providing reliable air retention and durability for everyday cycling. The standard Schrader (Auto) valve, typically 40 mm long, allows easy inflation with most bicycle or car pumps. Ideal as a replacement or spare tube for children’s bicycles, folding bikes, wheelchairs, or vintage bicycles.

Specifications:

• Brand: CST
• Wheel size: 22"
• Tire width: 1‑3/8"
• ETRTO: ~37‑489
• Valve type: Schrader (Auto)
• Valve length: ~40 mm
• Material: Butyl rubber (elastic and airtight)
• Packaging: Without box