transmission_interface/SimpleTransmission hardware_interface/${hard_interface} hardware_interface/${hard_interface} ${reduction} transmission_interface/SimpleTransmission hardware_interface/${hard_interface} hardware_interface/${hard_interface} ${reduction} transmission_interface/SimpleTransmission hardware_interface/${hard_interface} hardware_interface/${hard_interface} ${reduction} transmission_interface/SimpleTransmission hardware_interface/${hard_interface} hardware_interface/${hard_interface} ${reduction} transmission_interface/SimpleTransmission hardware_interface/${hard_interface} hardware_interface/${hard_interface} ${reduction} transmission_interface/SimpleTransmission hardware_interface/${hard_interface} hardware_interface/${hard_interface} ${reduction}