Pneumatici auto bridgestone estive 235/50 R19 W
235/50 R19 99W 
A 
B 
6 dB
A
B
6 dB
235/50 R19 103Y XL
B
A 
7 dB
B
A
7 dB
235/50 R19 99W
C
A
71 dB
C
A
71 dB
235/50 R19 103Y XL
B
A
71 dB
B
A
71 dB
