Triumph customs

LEGALLY - same here. EXCEPT if the rolling circumference is within 3% (This is an EU ruling). So for example a 200/60 is (on paper) the same as a 240/50.

My Tyre place will get and fit what ever I want - no Questions asked.

I have 2 sets of wheels - 1 with Metzlers on - because I was concerned. But as it transpires some MoT places don't look very hard . I'd not try a C/T at the MoT though.

Oh and your tyre places is called NeumaticosLider.es : Neumáticos baratos | Neumáticos al mejor precio here