That of regular riding? (5)

I believe the answer is:

habit

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

'riding?' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for habit that I've seen before include "Custom, wont" , "Custom; riding dress" , "Monk's robe or repetitive action" , "Usual practice; garment" , "Regular practice" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.