FluffyChicken":d81bg28n said:737 is 10 tooth, so the 11 tooth you link will not work
952 is 11 tooth so any 11 tooth will, they're common but actual 952 are not.
10tooth are getting much harder to buy unless you want BBB/Tacx or random metal ones from China.
(or Tourney level from shimano, even then ...)