Carry empty grip on your bike (7)
I believe the answer is:
cycling
'your bike' is the definition.
I can't judge whether this defines the answer.
'carry empty grip' is the wordplay.
'empty' suggests removing the centre.
'grip' becomes 'cling' (I can't justify this - if you can you should give a lot more credence to this answer).
'carry' with its middle removed is 'cy'.
'cy'+'cling'='CYCLING'
'on' is the link.
Can you help me to learn more?
(Other definitions for cycling that I've seen before include "Repeating" , "pursuit for example" , "Pedalling" , "Revolving" , "Going by bike" .)