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🚴♀️ Power your fat bike rides with unstoppable confidence!
The Mongoose 26" x 4" fat bike inner tube is engineered for fat tires between 4" and 4.9" wide, delivering rugged durability with thick rubber construction and a standard Schrader valve for quick inflation. Designed for easy self-installation, it’s the perfect reliable backup to keep your fat bike rolling smoothly on any terrain.



| ASIN | B01CGDW290 |
| Best Sellers Rank | #56,750 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #398 in Bike Tubes |
| Bike Type | Fat Bike |
| Brand | Mongoose |
| Brand Name | Mongoose |
| Compatible Tire Width Maximum | 4.9 inches |
| Compatible Tire Width Minimum | 4 inches |
| Customer Reviews | 4.6 out of 5 stars 2,587 Reviews |
| Global Trade Identification Number | 00038675067158 |
| Included Components | bicycle tube |
| Item Diameter | 26 inches |
| Item Type Name | Bike Tube |
| Item Weight | 1.2 pounds |
| Item Width | 4 inches |
| Manufacturer | Pacific Cycle Inc. |
| Manufacturer Part Number | MG78253-6 |
| Material | Rubber |
| Material Type | Rubber |
| Model Number | MG78253-6 |
| Number of Items | 1 |
| Size | 26" x 4"-4.9" |
| UPC | 038675067158 |
| Unit Count | 1 Count |
| Valve Length | 2 inches |
| Valve Type | Schrader |
| Warranty Description | limited |
| Wheel Size | 26 inches |
L**A
Expensive for 1 tube.
Be aware it's only 1 tube. Good tube, but thought it was 2. I won't give it less stars and it was my fault for not paying attention.
M**K
Very happy with this tire
Great thick tire and fits my bike perfectly
A**S
Great product
It was as expected. Thank you.
J**R
These tubes hold up to the desert conditions I ride in better than other brands.
In addition to their durability, they are easy to install in my bike's tire. I have tried several brands of bike tubes, and the Mongoose tubes last the longest riding on desert trails near me.
A**O
You never know when you’re gonna need this.
Went on the road riding you never know when a flat may occur. It’s always good to have an extra tube. I saw a few YouTube videos and this too was recommended. It looks like the Quality I’m happy. I haven’t had to use it yet, but I keep it in my backpack test to make sure for the unexpected.
R**N
Easy to install, decently heavy duty
Easy to install because of the "lubricant" powder they were covered in, the spot where the valve attaches to the tube is thicker than cheap tires that tend to tear there. I thought these were leaky for no reason but I rode over nails multiple times and it held air for a few days before going flat and it took a patch without any problems
S**S
Great for my needs
Bought a Rad Rover bicycle (26x4.0) and was having flats more than I expected. I decided to change stock tires and tubes, and these tubes fit the bill! After the change, I’ve had 3 tube changes that were all from nails driving through my tire/tube. No more tiny causes! I buy these now to have when I need to change my tubes, and so far it’s always been a reason for the damage and not just spurs or something.
F**O
works great
works fine and at a good price.
R**U
Perfect
They are proper thick rubber tubes. Not like the original I had on originally. Hopefully they will last a long time.
A**S
Perfect !
The item arrived on time and in good condition. It’s a bit heavy, but it feels solid and well‑made. So far, it has worked perfectly for me, with no issues at all. For the price, it offers very good value and seems durable enough for regular use. Overall, I’m satisfied with the purchase and would consider it a reliable option.
B**N
Good
Arrived as expected. Glad to find a fat bike tyre that has the Schrader valve
S**J
Great for SONDORS fat bike
Perfect
A**Y
Works great
Ive done about 500km on it so far no issues easy instalation highly recomend
Trustpilot
1 month ago
3 weeks ago