Originally Posted by
mstraus
+1
I will say that a number of the better options for what the OP wants will have a very light tread. EG. Conti GP 4 seasons or Gatorskins, Schwalbe Marathon Supremes have a slight tread too.
Not clear how much they really help with road grit, but have to be better then nothing.
I also agree wit FBinNy, and to your point my two reccos, the RibMo and Rando Pro both have groove tread, and boy, do I think the Ribmo (top) is handsome, too!