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🚛 Tough on the road, smooth on the haul — your trailer’s new best friend.
The Roundrule Xtra ST235/80R16 is a 14-ply rated, all-steel radial trailer tire designed for all-season highway use. With a load index of 129/125, it supports up to 4079 lbs per tire and is speed rated M for up to 81 mph. Its durable construction and symmetrical tread provide reliable traction and stability, making it an ideal choice for professional-grade trailer hauling.
| ASIN | B0CP6626PW |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #25,405 in Automotive ( See Top 100 in Automotive ) #21 in Trailer Tires |
| Brand | Roundrule |
| Brand Name | Roundrule |
| Construction Type | Radial |
| Customer Reviews | 4.7 out of 5 stars 161 Reviews |
| Included Components | Tire Only |
| Item Diameter | 30.8 inches |
| Item Dimensions | 29 x 29 x 8 inches |
| Item Highlight | Trailer Highway All Season Traction 129/125M Rated G (14 Ply) Radial Construction Black Sidewall Tire |
| Item Weight | 56 pounds |
| Load Capacity | 4079 pounds |
| Load Index | 129 |
| Load Range | G |
| Manufacturer | Roundrule |
| Manufacturer Part Number | P70012-R |
| Maximum Pressure | 110 psi |
| Model Number | P70012-R |
| Number of Packs | 1 |
| Ply | 14-Ply |
| Rim Size | 16 inches |
| Rim Width | 6.5 inches |
| Seasons | Year Round |
| Section Width | 23.5 centimeters |
| Size | 235/80R16 (129/125M) |
| Speed Rating | M |
| Tire Aspect Ratio | 8 centimeters |
| Tire Diameter | 30.8 inches |
| Tread Depth | 11 thirty_seconds_inches |
| Tread Type | Symmetrical |
| UPC | 840156487016 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 235/80R16 |
D**E
St225 75 15
These are great tires. I have 400 miles on them. So far. I have £8000 on the24ft trailer, and it took a lot of this sway out of the trailer fast shipping is exactly what I was looking for.
T**.
Worth Buying
We have purchased these more than once. They are a good option for a reasonable price.
A**R
16 in trailer tires
Seem heavy duty and holding up so far.
K**N
Good quality
Really good quality. The RV rolls so much smoother. I will definitely buy them again.
R**T
Waited until trying them out to rate
Wanted to hold off rating tires until they were put to the test. I used plastic injection pellets to balance. There was not a quiver in the trailer empty or full. Tires look great, run true and are $80+ less than local tire shop. Loaded, you couldn't tell there was any weight on them at all. Hauled a 4000+ pound Jeep Liberty diesel on a 22' tilt trailer and it followed me all the way home like a puppy. Hope the price stays low. Will buy again. Would have supplied photos but images did not appear here with JPG or Bitmap.
J**Z
Buena goma
Buena resistencia en la carretera.
L**A
First time ordering Tires from Amazon
First time ordering Tires from Amazon. We’ve always gotten them locally. Tires were dropped off in our driveway and have already been installed on my husband‘s trailer. Just what we thought they would be and very pleased. Description was 100% accurate.
M**M
Great tire
I like this style tore they wear good and last a long time.
Trustpilot
1 day ago
2 months ago