About This

• 2 PIECES: You will receive 2 pack 4.10/3.50-4 inner tubes.
• COMPATIBLE: 4.10/3.50-4 inner tubes compatible sizes:4.10-4 3.50-4 9X3.50-4 tire tube.
• VALVE STEM: TR87 valve stem with a valve cap, high airtightness, good sealing performance, and easy inflation.
• MATERIAL: Inner tube is made of high quality butyl rubber, thickening, aging resistance, shock absorption, strong cushioning performance, comfortable riding
• INSTALLATION: Before installation, inflate the inner tube with a small amount of air to shape it, check the valve position, ensure the installation direction, and ensure that it is simple to operate and easy installation and removal.