Pneumatici auto bridgestone estive 325/30 R21 Y
325/30 R21 108Y XL 
C 
B 
7 dB
C
B
7 dB
325/30 R21 108Y XL
C
A 
7 dB
C
A
7 dB
325/30 R21 108Y XL
C
B
72 dB
C
B
72 dB
325/30 R21 108Y XL
C
A
73 dB
C
A
73 dB
325/30 R21 108Y XL RFT
C
A
73 dB
C
A
73 dB