Bare man cycling in Welsh town (6)
I believe the answer is:
unmask
'bare' is the definition.
(thesaurus)
'man cycling in welsh town' is the wordplay.
'cycling' indicates anagramming the letters.
'in' indicates putting letters inside.
'welsh town' becomes 'usk' (I can't explain this - if you can you should believe this answer much more).
'man' with letters rearranged gives 'nma'.
'nma' inserted inside 'usk' is 'UNMASK'.
Can you help me to learn more?
(Other definitions for unmask that I've seen before include "Discover the identity of" , "show his face" , "Expose the true character of (a person)" , "Disclose (the hidden nature of)" , "Expose, remove cover" .)