275/40 R21

B A 72 dB

A B 71 dB

C C 72 dB

C A 72 dB

C B 72 dB

B A 71 dB

C B 71 dB

B B 72 dB

B B 72 dB

C C 71 dB

D C 70 dB

C B 72 dB