Moved from one gear to another (7)

I believe the answer is:

shifted

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'moved' is the definition.
(shifting is a kind of moving)

'one gear to another' is the wordplay.
'one gear' becomes 'shift' (I've seen this before).
'to another' becomes 'ed' (I can't justify this - if you can you should give a lot more credence to this answer).
'shift'+'ed'='SHIFTED'

'from' is the link.

Can you help me to learn more?

(Other definitions for shifted that I've seen before include "Changed place or direction" , "Moved (position)" .)

I've seen this clue in the Sydney Morning Herald.

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