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