Mars JFFDescription Sometimes you veer slightly off course and end up in a place like MARS. If you are running our rider designed, ATB performance tuned rubber, you'll not only be styling for the NASA livestream, but you'll also be in for a great ride. MARsala also happens to be a rich and nutty fortified wine from Sicily. If these tires sell Patz and Ron will be both rich and nutty. Details JFF means Just For Fun, but not ONLY for fun these tires are equally