Brand: Nitto
Model: NIT NT421Q
Size: 255/55R20XL
Aspect Ratio: 55
Load Index: 110
Load Range: XL
Section Width: 255
Service Description: 110H
Speed Index: H
Temperature: A
Tire Rim Diameter: 20
Tire Type: Highway
Traction: A
Tread Wear: 640
Tread Depth: 12.2
UQTG: 640AA
Warranty: 75K