Crossword Genius

Help the French undergraduate to right part of bike (9)

Ross

I believe the answer is:

handlebar

I'm a little stuck... Click here to teach me more about this clue!

'part of bike' is the definition.
('handlebar' is part of 'bike')

'help the french undergraduate to right' is the wordplay.
I cannot quite understand how this works, but
'help' could be 'hand' (hand is a kind of help) and 'hand' is present in the answer.
'right' could be 'ar' (I've seen this in other clues) and 'ar' is located in the answer.
'the french' could be 'le' ('the' in French) and 'le' is located in the answer.
A single letter 'b' remains which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for handlebar that I've seen before include "Kind of moustache (for a cyclist?)" , "used by bikers" , "Steering device on bicycle" , "Type of moustache - on bicycle" , "Moustache like one on a bicycle" .)

I've seen this clue in The Mirror.
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