Tyres

[REBAcars]

Hi there,

I am searching after some new slick tyres for my track car ( Funyo 4 ).
The problem is that it has tyre sizes that are not that common.
20/54-13 and 24/57-13 ( this is the numbering of michelin ).

Are there any good online shops where they sell full slick tyres of multiple brands?
I couldnt find one. And i would like to compare the tires of multiple brands in prices and Quality.

Thanks