Sunlite Utili-T Inner Tube – 12-1/2 × 2-1/4 | 35 mm Schrader Valve
This Sunlite Utili-T inner tube is designed for 12-1/2-inch wheels using wider 2-1/4-inch tires and a Schrader valve.
Built to fit ISO 203 rims, this tube is commonly used on balance bikes, small BMX-style bikes, and compact recreational bikes where proper fit and everyday reliability are required. The 35 mm Schrader valve works with standard floor pumps and air compressors, and the straight valve stem ensures straightforward inflation.
Key Features
• Designed for 12-1/2-inch wheels with wider tires
• Correct fit for ISO 203 rims
• Schrader valve compatible with standard pumps and compressors
• Straight, smooth valve stem for easy inflation
• Removable valve core for serviceability
Technical Details
• Wheel Size: 12-1/2 inch
• Tire Compatibility: 12-1/2 × 2-1/4
• ISO (BSD): 203
• Valve Type: Schrader
• Valve Length: 35 mm
• Valve Angle: 0° (straight)
• Valve Stem: Smooth
• Valve Core: Removable
• Wall Thickness: 0.9 mm
• Flat Fold Width: 35 mm
This tube is a practical replacement for riders needing a properly sized Schrader-valve tube for small-wheel 12-1/2-inch builds.