








🛞 Tough Tubes for Trail Titans — Don’t Let Flats Slow You Down!
These YunSCM heavy duty inner tubes, sized 20/24/26 x 4.0-4.5 inches with AV32mm Schrader valves, feature 40% thicker butyl rubber construction for superior puncture resistance and 200% better air retention. Designed for fat tire e-bikes and mountain bikes, they deliver enhanced shock absorption and long-lasting performance, reducing maintenance frequency and maximizing ride comfort.






| Brand | YunSCM |
| Valve Type | Schrader |
| Material | Butyl Rubber |
| Bike Type | Compatible with This Size Range of Bicycle Tires |
| Wheel Size | 24 Inches |
| Item Diameter | 24 Inches |
| Item Width | 24 Inches |
| UPC | 750139075515 |
| Compatible Tire Width Minimum | 4 Inches |
| Valve Length | 32 Millimeters |
| Manufacturer | YunSCM |
| Size | 24x4.0/4.5 |
| Compatible Tire Width Maximum | 4.5 Inches |
| Item Package Dimensions L x W x H | 11.3 x 8.78 x 3.15 inches |
| Package Weight | 1.42 Kilograms |
| Brand Name | YunSCM |
| Warranty Description | no |
| Model Name | 24x4.0/4.5 |
| Color | 24x4.0/4.5 Heavy Duty Tubes |
| Part Number | YunSCM2021020201 |
| Style | 24x4.0/4.5 Heavy Duty Tube |
| Included Components | 2 pcs 24X4.0/4.5 AV32mm Schrader Valve heavy duty fat bike tubes |
A**R
Good product
Value for money:Correct size at a great price
P**I
Flat Tires, Be Gone!
The 2-PCS 26 x 4.0 Heavy Duty E-Bike Tubes are a game-changer for my e-bike. If you’ve ever had your e-bike feel like it's trying to take a nap mid-ride due to a flat, you know the pain. These tubes are thick, sturdy, and ready to handle whatever rough terrain you throw at them—whether it’s rocky trails or that surprise sidewalk pothole that nearly swallowed me whole.Installation was a breeze, and these bad boys hold air like a dream. I haven’t had to worry about popping a tire in the middle of a ride, and my bike feels invincible now. The heavy-duty material makes them much tougher than the standard tubes, so I’m riding with confidence (and a little extra swagger).If you want to keep your e-bike rolling without constant maintenance, these tubes are the way to go. 10/10—no more flat tire drama for me!
A**N
Excelente
Excelente
K**R
Prompt delivery
Quick delivery, product looks good.
I**S
Very nice
I revived my product on time and I had no issues everything was perfect so i will leave five stars thank you
B**L
Strong ties
One of the strongest tires is that it resembles car tires, very strong and durable.
A**R
Great bike ride
Great quality
M**
Do not get for for an ebike
I had the tire for one day and it went flat the same day when I replaced the tire with a thicker tube tire I noticed the leak was emanating from the base of the stem du to the entire stem being brass it can not handle the torque of the hub motor half the stem was ripped around the stem I’d send it back but I already threw it away I will sell you back the one I will never ever use ON AN E-BIKE maybe it would be better on a pedal bicycle with no motor and that is still To BE Determined it was a nightmare to install an inflate because the stem was unnecessarily long seriously how is that a plus or benefit of design the tube was thinner then the one it replaced and the tube that replaced it immediately after thank goodness I only got it because it was cheap so this is proof you get what you pay for
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