Pneumatici auto bridgestone estive 255/40 R21 T
255/40 R21 102Y XL 
B 
A 
72 dB
B
A
72 dB
255/40 R21 102Y XL
B
A
72 dB
B
A
72 dB
DOT 2021
255/40 R21 102T XL
A
B
72 dB
A
B
72 dB
255/40 R21 102T XL
A
A 
69 dB
A
A
69 dB
255/40 R21 102Y XL
A
B
69 dB
A
B
69 dB
255/40 R21 102T XL
A
B
72 dB
A
B
72 dB
DEMO DOT 2022
255/40 R21 102Y XL
C
A
70 dB
C
A
70 dB
255/40 R21 102T XL
A
B
72 dB
A
B
72 dB
255/40 R21 102Y XL
B
A
72 dB
B
A
72 dB