Crossword Genius

Triumph bike McGuinness finally hocks? (5)

Ross

I believe the answer is:

wines

'hocks?' is the definition.
(hock is a kind of wine)

'triumph bike mcguinness finally' is the wordplay.
'triumph' becomes 'win' (a win is a victory or triumph).
'finally' suggests the final letters.
The last letters of 'bike mcguinness' are 'es'.
'win'+'es'='WINES'

I've seen this clue in The Independent.
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