Durable fat tire's tube (sold in pair), matching Hycline’s 4.0" width fat tires.

Hycline‘s fat bike matching tube is made from premium butyl rubber. these inner tubes provide superior puncture resistance and reliable performance, ensuring a comfortable and worry-free ride on any terrain.

Our inner tube is designed to improve overall ride quality by providing better shock absorption and tire stability, ensuring a smoother and more enjoyable journey on your bike. Hycline inner tubes are designed for your safe ride. All tires and inner tubes have passed or exceeded relevant safety and quality standards. We always care about your ride.

Warm Tips:

1. Please kindly confirm the size of your bike tire before you buy.

2. Before inserting the new tube, make sure to check for sharp/pointed objects inside or embedded in the tire, that could puncture the tube.

3. Add a little air (to give the tube form) to the new inner tube before installation. This will prevent it from bunching up, causing a pinch flat or possibly forcing the tire off the rim.

4. Place the valve through the hole in the rim. Valve should stick out at a 90-degree angle. Screw valve cap on tightly and securely.

5. After installation, make sure the tube is fully inside the tire and not pinched between the tire and metal frame. Now you can inflate the tire to recommended pressure levels.

Upgrade Your Tires >Choose A Hycline Fat Tire!< 

Available In 20 x 4.0 And 26 x 4.0 Sizes.

Fat Inner Tube Installation guide