Ultradynamico Mars JFF 29er MTB Tire

Grippier grip. Sometimes you veer slightly off course and end up in a place like MARS. If you are running Ultradynamico's 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. Available in 29 or 27.5. Of course JFF means Just For Fun... but not ONLY fun.