2-Pack 20”×4" / 26"×4" Inner Tube For Fat Tire

  • 20"×4"
  • 26"×4"
Extra Discount With


Model: Fat tube
Size(in.): 20×4.0 / 26×4.0
Valve Type: Schrader
Air Valve Length(mm.): 32
Width Range(in.): 4.0-4.5
Package Weight(kg.): 1.35
Apply: Fat Bike / E-Bike
Order in the next [hour] to get it between [date_start] and [date_end]

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1-Month FREE Return/Exchange
1-Year FREE Exchange Instead Of Repair

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2-packed Hycline 20x4.0 / 26x4.0 fat tire tubes for fat bicycles and electric bikes

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.


Hycline fat tireinner tubes for MTB and Electric bikes



Size: 20"x4.0" ; 26"x4.0"

Valve Type: Schrader Valve

Valve Length: 32mm

Tube Material: rubber

Package Include: 2-pack 20x4 / 26x4 bike inner tubes and tire levers



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.


Installation guide

Customer Reviews

Based on 38 reviews
Allen H.
Bones All Terrain Fat Tire and inner tubes

So far I’m very pleased with my purchase .. they seem like a quality well made tire and they look awesome !!!

Good tires tube

Good tube for repair

Spend the extra buck or two and get a set in the box

Came packaged in flimsy plastic.


Nice tubes, carry with me on long range e bike rides just in case.

Well priced. Using as a pool toy, whatever works...lol.

grabbed to try as a pool float. by itself, it's large...but it works for my use. very thick material, should hold up fine for an actual bicycle...or use both of them and lay on top...all depends on your weight.

Customers often ask

How can I shop at Hycline with a lower price?

1. You can click the "Rewards" button on the left to save money on this purchase! Submit your account and earn points. Redeem points for coupons! >> Learn More
2. Browse the “Deals” page on the homepage. GET IN 
3. Free shipping on orders over $25

How do I check the shippment of my package after placing an order? After-sales service?

After you place an order, you will receive our email and tracking number. You can track the logistics information HERE. We support 30 days returns and exchanges, contact us at service@hyclinebike.com
or tel: 1-(669) 696-7538

What should I consider when choosing bicycle tires?

When selecting bicycle tires, consider the size, tread, width, durability, pressure, weight, and riding style. Choose a tire that fits your bike's wheels, is appropriate for the terrain you'll be riding on, is durable and puncture-resistant, can handle the recommended tire pressure, and matches your riding style.

What size bike tire do I need for my bike?

To determine the size of tire you need for your bike, you can look at the sidewall of your current wheel, which will have the tire size printed on it. The size will typically be expressed as a combination of numbers and letters, such as "700x23c" or "26x2.0". The first number refers to the diameter of the tire, which is measured in millimeters for metric sizes (e.g. 700) or inches for imperial sizes (e.g. 26). The second number refers to the width of the tire, also measured in millimeters or inches. The letter at the end indicates the type of tire (e.g. "c" for clincher)
If you're unsure about what size tires to get or have any doubts about compatibility, you can consult your bike's owner's manual or contact the manufacturer for advice.

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