Write a Review
Michelin
Michelin Premier LTX 265/40R21XL 105V - 56556
Michelin Premier LTX 265/40R21XL 105V - 56556
📧 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
Shop the Michelin Premier LTX 265/40R21 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 265/40R21 means
In the size 265/40R21, 265 is the section width in millimeters (10.43 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 106.0 mm (4.17 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 29.35 inches, turning roughly 687 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 105 — a maximum load of 2,039 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 265/40R21XL |
| Tire Type | All Season |
| Service Description | 105V |
| Load Index | 105 |
| Speed Rating | V |
| Load Range | Extra Load |
| Section Width (mm) | 265 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 29.3 |
| Tread Depth (/32") | 8.5 |
| Treadwear | 620 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 620AA |
| Warranty | 60K |
Frequently asked questions
What are the treadwear and warranty ratings on the Michelin Premier LTX?
This tire carries a treadwear grade of 620, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 60K.
What does 105V mean on the Michelin Premier LTX?
105V breaks down as load index 105 — rated for 2,039 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Michelin Premier LTX?
The Michelin Premier LTX in 265/40R21 is a all season tire.
Keep shopping
Shop all 265/40R21 tires, browse Michelin tires, see every Michelin Premier LTX size, or view all tires at ThreePiece.us.
- BRAND:
- Michelin
- Model:
- Premier LTX
- Size:
- 265/40R21XL
- Aspect Ratio:
- 40
- Load Index:
- 105
- Load Range:
- Extra Load
- Section Width:
- 265
- Service Description:
- 105V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 29.3
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 620
- Tread Depth:
- 8.5
- UQTG:
- 620AA
- Warranty:
- 60K
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