§ 74.04  TURNING, STOPPING OR STARTING SIGNALS REQUIRED.
   A person operating a bicycle shall give a continuous signal of intention to turn right or left during the last 100 feet traveled by the bicycle before turning. The signal shall also be given while the bicycle is stopped waiting to turn. A signal by hand and arm need only be given intermittently if the hand is needed in the control operation of the bicycle. No driver of a bicycle may overtake another vehicle on the right if the overtaken vehicle is signaling to make a right turn. Except as provided in this section, a person operating a bicycle shall comply with the provisions of SDCL §§ 32-26-22 and 32-26-22.1.
(SDCL § 32-20B-6)  Penalty, see § 70.99