I purchased Kumho PS71 tires for my vehicle. After driving about 6,000–7,000 km, I noticed long cracks running along the inner sidewalls of the tires. I removed them and replaced them with a new set of Kumho PS71s, but when I checked again, the same cracks appeared across the entire inner sidewalls.
If these tires were to burst on the highway, it could cost us our lives. Is human life really this cheap? I want to ask the Kumho authorities directly. I will never again put Kumho tires on my car. I truly hope someone at Kumho reads this complaint and takes it seriously — no one’s life should be at risk because of a tire defect.
I’ve now switched to another brand, and I haven’t experienced any problems. For the record, I never once drove with low tire pressure while the Kumho tires were installed.
I purchased Kumho 295/35/21 tires manufactured in May 2023, and all four tires have developed cracks on the inner sidewalls. It’s been barely a year since I bought them, yet they’re already showing serious structural issues. The fact that all four tires cracked in such a short time clearly proves h...
I purchased Milestone tires, and despite having 70% tread life remaining, they have developed cracks on the sidewalls. At first, only one tire was affected, but now I see the same issue on three of them. This is extremely frustrating—I shouldn’t have to replace tires so frequently, especially when ...
I purchased two Kumho tires (275/35/19 PS91 100Y, 2023 production), and both have developed cracks in the inner bead area—the section that sits on the rim, not exposed to the outside. The cracks are located in a part that isn’t even visible from the exterior. The tire shop where I bought them exami...
In June 2023, I purchased a set of Kumho Tires summer tires from an authorized dealer. Since I was satisfied with their performance, I later replaced them with Kumho winter tires from the same brand. However, during the seasonal tire change, I was shocked to see that all four of my summer tires wer...
Whenever I make a purchase—no matter what kind of product it is—I always choose brands produced by the most honorable and proud nations. My car is a Toyota, and for my tires, I trusted Kumho, a brand from South Korea, known for its engineering and discipline. On June 27, 2025, I purchased Kumho Ecs...
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