Have you checked your /conf/battle/player? https://github.com/rathena/rathena/blob/master/conf/battle/player.conf
// Maximum atk speed. (Default 190, Highest allowed 199)
max_aspd: 190
// Same as max_aspd, but for 3rd classes. (Default 193, Highest allowed 199)
max_third_aspd: 193
// Max ASPD for extended class (Kagerou/Oboro and Rebellion). (Default 193, Highest allowed 199)
max_extended_aspd: 193