Hycline Fat Bike Inner Tubes, 2-Pack | 20x4 or 26x4

Hycline Fat Bike Inner Tubes, 2-Pack

Replace a worn or punctured tube with a matched pair of Hycline fat bike inner tubes. Premium butyl rubber helps provide dependable puncture resistance, smooth shock absorption, and stable handling on pavement, trails, and other terrain.

Choose your size

• 20×4.0 fat bike inner tubes
• 26×4.0 fat bike inner tubes

Select the size that matches your tire before ordering. Each option is sold as a 2-pack and includes tire levers.

Specifications

• Material: Premium butyl rubber
• Valve type: Schrader valve
• Valve length: 32 mm
• Package: Two matching inner tubes and tire levers
• Application: Fat bicycles and electric bikes with 4-inch-wide tires

Installation tips

1. Check the tire for sharp or pointed objects before inserting the new tube.
2. Add a small amount of air to give the tube shape and help prevent pinching.
3. Guide the valve through the rim so it sits at a 90-degree angle.
4. Make sure the tube is fully inside the tire and not trapped between the tire and rim.
5. Inflate to the tire manufacturer’s recommended pressure.

Installation guide

How to install a tire and tube on a rear rim?