Sunlite Inner Tube – 18 × 1.75 | 32 mm Schrader Valve

This Sunlite inner tube is a standard replacement tube for 18-inch wheels using 1.75-inch tires and a Schrader valve.

Designed to fit ISO 355 rims, this tube is commonly used on youth bikes and smaller-wheel recreational bicycles where correct sizing is important. The straight Schrader valve allows easy inflation with standard floor pumps and air compressors.

Key Features
• Designed for 18-inch wheels with 1.75-inch tires
• Correct fit for ISO 355 rims
• Schrader valve compatible with standard pumps and compressors
• Straight, smooth valve stem for easy inflation
• Removable valve core for service or replacement

Technical Details
• Wheel Size: 18 inch
• Tire Compatibility: 18 × 1.75
• ISO (BSD): 355
• Valve Type: Schrader
• Valve Length: 32 mm
• Valve Angle: 0° (straight)
• Valve Stem: Smooth
• Valve Core: Removable
• Wall Thickness: 0.9 mm
• Flat Fold Width: 44 mm

Compatibility Note
This tube is specific to ISO 355 (18-inch) wheels and is not interchangeable with other small-wheel sizes. Always confirm the ISO number printed on the tire sidewall before purchase.