UK Tile scoring wheel, when to replace?

[Stoobloo]

How do you know when you need a new scoring wheel on a manual (Rubi) tile cutter?

Is there anyway to know before tiles aren’t snapping cleanly?

 

[Tile Marble Granite]

How do you know when you need a new scoring wheel on a manual (Rubi) tile cutter?

Is there anyway to know before tiles aren’t snapping cleanly?

you would be able to tell, worn out scoring wheel will no longer cut as it should, visual inspection

 

[Kastar UK]

How do you know when you need a new scoring wheel on a manual (Rubi) tile cutter?

Is there anyway to know before tiles aren’t snapping cleanly?

Doesnt make the same noise when scoring as it used to ?
Depends what tiles