Pneumatici auto bridgestone invernali 235/50 R20 T
235/50 R20 100T 
C 
B
C
B
235/50 R20 100T
C
B 
7 dB
C
B
7 dB
235/50 R20 100T
C
B
72 dB
C
B
72 dB
235/50 R20 104W XL
B
B
7 dB
B
B
7 dB
235/50 R20 104T XL
E
E
7 dB
E
E
7 dB
235/50 R20 104T RFT
C
A 
72 dB
C
A
72 dB
235/50 R20 104T XL
C
A
7 dB
C
A
7 dB
235/50 R20 100T RFT
C
B
72 dB
C
B
72 dB
235/50 R20 100T
C
B
7 dB
C
B
7 dB
