DURA-ACE 7700 9s weight (11-12-13-14-15-16-17-19-21) 145 grams (11-12-13-14-15-17-19-21-23) 155 grams (12-13-14-15-16-17-18-19-21) 157 grams (12-13-14-15-16-17-19-21-23) 160 grams (12-13-14-15-17-19-21-23-25) 171 grams (12-13-14-15-17-19-21-24-27) 177 grams
Marchewka2008