Summer
PIRELLI
PIRELLI Cinturato P7 Blue 285/40R20 108Y XL NF0
357,74 € /piece
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Available within 9 days
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Model
Cinturato P7 Blue 285/40R20 108Y XL NF0
Dimensions
285/40R20
Vehicle type
Other
Season
Summer
Speed coefficient
Y up to 300 km/h
Load index
108
Rolling resistance, noise level and fuel consumption
Tyres are not the only important factor in driving safety. They also affect the noise level produced by the vehicle and with their rolling resistance affect as much as 20% to 30% of total fuel consumption. Therefore, the correct choice of tyres is an extremely important factor in the overall cost of operation of the vehicle. Each tyre carries a standardized label that provides a clear overview of the characteristics and energy efficiency of the tyre.
Fuel consumption
Depending on the rolling resistance of the tyre, its fuel consumption will range from class A (meaning the lowest fuel consumption) all the way to class G (highest fuel consumption). Between classes, fuel consumption increases by about 0.1 liters for every 100 kilometers traveled.
Braking on rain
Critical grip in wet conditions is critical for driving safety. Grades are expressed in performance classes between class A and class G (although D and G are not currently used). In general, the EU designation assumes a speed of 80 km/h. Braking at this speed, the Class A tyre will stop in wet conditions after 28 meters. By comparison, a Class F tyre requires a stopping distance of 46.5 meters, representing a difference greater than 18 meters. From a safety point of view, it makes sense to opt for a higher class tyre.
Noise level
Noise level is the rolling sound produced by a tyre, measured in decibels. The number of filled sound waves on the label is equal to the noise level in the tyres. One sound wave means that the tyre has the lowest noise level, between 67 and 71 dB. The highest level is presented with three sound waves, which is between 72 and 76 dB.
1. Tyre width
Nominal width of the tyre, in millimeters, from side to side of the tyre.
2. Tyre height
The height of the side of a tyre is expressed as a percentage of its width. For example, if the tyre has a 225/45 mark, it means that the tyre is 225 mm wide and the sidewall height is 45% of its width, that is, 101 mm.
3. Construction
The design mark describes the orientation of the fibers of the internal load-bearing structure or of the carcass. Modern tyres are almost exclusively of radial construction and carry the designation R. They provide better performance and longer life than classic diagonal tyres.
4. Rim size
Expressed in inches, this number indicates the diameter of the rim for which the tyre is intended.
5. Load capacity index
Tyre capacity mark. In the case of passenger cars, this index ranges from 75 (387 kg per tyre), to 100 (800 kg per tyre).
6. Speed index
The speed index indicates the maximum speed for which the tyre is intended. The letter designations most commonly encountered on passenger car tyres range from Q (up to 160 km/h) to Y (up to 300 km/h).
7. Purpose
If the tyre is intended for use in snow and mud, it will be marked M + S
8. DOT mark
The DOT mark indicates the date of manufacture of the tyre. The first number indicates the week and the second the last two digits of the year the tyre was manufactured.
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