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With robots? That might be too specific to trope. In general, I looked through Circus Index and nothing seems to fit, so probably not. I'm not sure whether this is a trope, though - tropes need to mean something.
There are tropes for certain stock tricks and performances in general such as Tightrope Walking. But no, nothing for trapeze, and "robot trapeze" would probably be too specific in any case.
Edit: Well, if you edit the question from robot trapeze to acrobat trapeze, that changes the whole thing...
Edited by KDI Need No Ladders could cover this scenario, but as others have said, the "robot trapeze" concept seems too rare.
Silver and gold, silver and goldI sense a typo/autocorrect of "a robots" from "acrobats"
For the sort of character that excels at acrobatics, you've got The Lightfooted, and see also Building Swing and Vine Swing for using trapeze skills in the wild.
That said, there might be room for a general trope about acrobatic performers and performances (Trapeze being only one of many common high-flying acts)
Edited by Scorpion451Scorpion is right, I made a typo. I meant “acrobats”.
Still, the robots make for a fun mental image :)
The classic circus trope, where acrobats swing to one another with trapeze?
Do we have that trope?
Edited by Stouca