Write a Review
Kumho
Kumho Ecsta ASX (KU21) 215/50ZR16 90W - 1742013
Kumho Ecsta ASX (KU21) 215/50ZR16 90W - 1742013
📧 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 Kumho Ecsta ASX (KU21) 215/50R16 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 215/50R16 means
In the size 215/50R16, 215 is the section width in millimeters (8.46 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 107.5 mm (4.23 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 24.46 inches, turning roughly 824 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 90 — a maximum load of 1,323 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Specifications
| Size | 215/50ZR16 |
| Tire Type | All Season |
| Service Description | 90W |
| Load Index | 90 |
| Speed Rating | W |
| Load Range | Standard Load |
| Section Width (mm) | 215 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 24.5 |
| Tread Depth (/32") | 10.5 |
| Treadwear | 420 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 420AAA |
| Warranty | 30K |
Frequently asked questions
What are the treadwear and warranty ratings on the Kumho Ecsta ASX (KU21)?
This tire carries a treadwear grade of 420, traction grade AA, temperature grade A under UTQG. The manufacturer's warranty is 30K.
What does 90W mean on the Kumho Ecsta ASX (KU21)?
90W breaks down as load index 90 — rated for 1,323 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Kumho Ecsta ASX (KU21)?
The Kumho Ecsta ASX (KU21) in 215/50R16 is a all season tire.
Keep shopping
Browse Kumho tires, see every Kumho Ecsta ASX (KU21) size, or view all tires at ThreePiece.us.
- BRAND:
- Kumho
- Model:
- Ecsta ASX (KU21)
- Size:
- 215/50ZR16
- Aspect Ratio:
- 50
- Load Index:
- 90
- Load Range:
- Standard Load
- Section Width:
- 215
- Service Description:
- 90W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 24.5
- Tire Type:
- All Season
- Traction:
- AA
- Tread Wear:
- 420
- Tread Depth:
- 10.5
- UQTG:
- 420AAA
- Warranty:
- 30K
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