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🚴♂️ Keep your ride unstoppable with the ultimate fat bike tube upgrade!
The Mongoose Replacement Bike Tire Tube is a durable, thick rubber inner tube designed for fat bikes with 26-inch wheels and tire widths between 4" and 4.9". Featuring a standard Schrader valve for easy inflation and quick installation, it ensures reliable performance on rugged terrain. Backed by Mongoose’s 50+ years of BMX and action sports expertise, this tube is a must-have spare for any serious rider aiming to avoid flats and stay trail-ready.



| ASIN | B01CGDW290 |
| Best Sellers Rank | #65,501 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #412 in Bike Tubes |
| Bike Type | Fat Bike |
| Brand Name | Mongoose |
| Compatible Tire Width Maximum | 4.9 Inches |
| Compatible Tire Width Minimum | 4 Inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (6,073) |
| Global Trade Identification Number | 00038675067158 |
| Included Components | bicycle tube |
| Item Diameter | 26 Inches |
| Item Type Name | Bike Tube |
| Item Weight | 1.21 Pounds |
| Item Width | 4 Inches |
| Manufacturer | Pacific Cycle Inc. |
| Manufacturer Part Number | MG78253-6 |
| Material Type | Rubber |
| Model Number | MG78253-6 |
| Size | 26" x 4"-4.9" |
| UPC | 038675067158 |
| Unit Count | 1.0 Count |
| Valve Length | 2 Inches |
| Valve Type | Schrader |
| Warranty Description | limited |
| Wheel Size | 26 Inches |
User
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.
User
Very happy with this tire
Great thick tire and fits my bike perfectly
User
THIS IS WHAT YOU NEED! WORKS PERFECT.
QUALITY TIRE TUBE, EASY TO INSTALL, HAS NOT LEAKED. VERY DURABLE.
User
Good tube but identical tube as the one from serfas.
I opened the Mongoose tube and inflated slightly to get a good look at it to determine if any difference from my local bike shop branded serfas tube. No difference at all, not in thickness or seal marks. In fact this mongoose branded tube and my local bike shop serfas tube had the identical serial numbers imprinted on them. Guess they are all made form the same factory in China. Not saying it’s deal breaker, just that most of these size bike tubes are manufactured from a few factories!
User
Good price good product
It’s mongoose so you can’t go wrong, but their customer support is a holes, but it’s moose. They deserve to be a holes.
User
Great product
It was as expected. Thank you.
User
Great quality and service
Long-lasting good quality
User
Good Purchase
No Issues with these tires.It also makes it easier purchasing this product on Amazon because these are hard to find in department stores.
User
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.
User
Punctured easily on offroad
I replaced my 2000W ebike front tire with this one. it was all perfect until a tiny sharp object punctured it while using the bike.I thought of using car tire repair kit but its hopeless.
User
Good
Arrived as expected. Glad to find a fat bike tyre that has the Schrader valve
User
Top Fahrradschlauch für Fat-Bikes!
Bin froh, dass ich mich für diesen Schlauch entschieden habe. Dieser Schlauch ist sehr robust und von sehr guter Qualität. Zudem ist der Schlauch auch sehr gut verpackt. 100% Kaufempfehlung.
User
Llego antes de lo esperado
EN BUEN ESTADO Y DE BUENA CALIDAD YA EN USO
Trustpilot
4 days ago
1 day ago