Bike (5)
I believe the answer is:
cycle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bike</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cycle that I've seen before include "Repeated round of events" , "Repeating sequence" , "Complete circuit" , "Series of stories or poems" , "Series of events; bike" .)