Write a Review
Ironman
Ironman GEN2 I-61S 11R24.5/16 149/146M - 98637.1
Ironman GEN2 I-61S 11R24.5/16 149/146M - 98637.1
📧 Get Fitment Help
Verify parts fit & get product recommendations
Lease-to-own for as low as
/week
Get Started
Guaranteed to Fit — confirm your size with the fitment checker on this page
Price Match Guarantee Learn More
Free Mount & Balance
Free Shipping
OUT OF STOCK 
📧 Get Fitment Help
Verify parts fit & get product recommendations
Looking for a 11R24.5 tire? The Ironman GEN2 I-61S is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 11R24.5 means
11R24.5 is a commercial-format size: 11 is the nominal section width in inches, R denotes radial construction, and 24.5 is the wheel diameter in inches — a common drive, steer, and trailer wheel size on medium- and heavy-duty trucks.
The service description on this tire decodes to a load index of 149 — a maximum load of 7,165 lbs per tire, or 146 (6,614 lbs) per tire when mounted as duals. The speed symbol M corresponds to a maximum sustained speed of 81 mph.
Load Range H corresponds to a 16-ply rating.
Specifications
| Size | 11R24.5/16 |
| Service Description | 149/146M |
| Load Index | 149/146 |
| Speed Rating | M |
| Load Range | H |
| Section Width (mm) | 11 |
| Overall Diameter (in) | 43.5 |
| Tread Depth (/32") | 18 |
Frequently asked questions
Will 11R24.5 tires fit my vehicle?
Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 11R24.5, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.
How fast does this tire ship?
Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.
What does 149/146M mean on the Ironman GEN2 I-61S?
149/146M breaks down as load index 149 — rated for 7,165 lbs per tire (146, or 6,614 lbs, in dual fitment) — with an M speed rating, good for a maximum sustained 81 mph.
Keep shopping
Browse Ironman tires, see every Ironman GEN2 I-61S size, or view all tires at ThreePiece.us.
- BRAND:
- Ironman
- Model:
- GEN2 I-61S
- Size:
- 11R24.5/16
- Load Index:
- 149/146
- Load Range:
- H
- Section Width:
- 11
- Service Description:
- 149/146M
- Speed Index:
- M
- Tire Rim Diameter:
- 43.5
- Tread Depth:
- 18
PRODUCT REVIEWS (0)
Overall Rankings
Have you tried this product?
WRITE A REVIEWNo reviews for this product yet. Be the first to write a review!
Write a Review