Pneumatici auto bridgestone estive 285/40 R21 Y
285/40 R21 109Y XL 
C 
A 
75 dB
C
A
75 dB
285/40 R21 109Y XL
B
A 
71 dB
B
A
71 dB
285/40 R21 109Y XL
C
A
73 dB
C
A
73 dB
DOT 2021
285/40 R21 109Y XL
A
A
71 dB
A
A
71 dB
285/40 R21 109Y XL
C
A
73 dB
C
A
73 dB
