Deception of one on drugs, cycling (4)

I believe the answer is:

ruse

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'deception' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

(Other definitions for ruse that I've seen before include "Plan intended to deceive" , "Trick designed to deceive" , "Deceptive manoeuvre" , "Subterfuge" , "Artful ploy" .)

I've seen this clue in The Hindu.

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