treadwear
Rubber gradually disappearing
Treadwear is the gradual wearing down of tire treads through use.
Tires are rated for treadwear—a higher number indicates longer-lasting rubber: The treadwear rating on these tires is 500.
Uneven treadwear often signals alignment or suspension problems.
Sustained price level increase
- alignmentCorrect relative positioning
- rotationTurning on an axis
- balanceSteadiness or amount owed
- road conditionsState of driving surfaces
load · speed · climate · heat · friction · braking · cornering · acceleration
Duration of existence
- mileageDistance traveled by vehicle
- lifespanTotal existence duration
- hardnessResistance to penetration
- compoundCombined into one
resilience · degradation · warranty · lasting · endurance · service life · performance rating · deterioration
Skin suction healing method
- featheringAdjusting blade pitch horizontally
- bald spotsHairless areas on head
- flat spotsLocalized areas without curvature
- scallopingCutting curved edge patterns
Metric units, thousandths of meters
- inspectionFormal assessment of condition
- tire gaugeMeasures wheel air pressure
- legal limitMaximum permitted by law
- visual inspectionExamination by sight alone
inflation
Sustained price level increase
road conditions · load · speed · climate · heat · friction · braking · cornering · acceleration · underinflation
longevity
Duration of existence
- mileageDistance traveled by vehicle
- lifespanTotal existence duration
- hardnessResistance to penetration
compound · resilience · degradation · warranty · lasting · endurance · service life · performance rating · deterioration
cupping
Skin suction healing method
- featheringAdjusting blade pitch horizontally
- bald spotsHairless areas on head
- flat spotsLocalized areas without curvature
millimeters
Metric units, thousandths of meters
- inspectionFormal assessment of condition
- tire gaugeMeasures wheel air pressure
- legal limitMaximum permitted by law