Maxxis ignitor mtb tyre exo trthe ignitor tread pattern was designed for the most discerning professional racers and has laid claim to multiple world cup victories the well spaced tread pattern fills in nicely to provide low rolling resistance in the straights while the ramped pentagonal knobs provide excellent traction in the corners the tr version comes with the tubeless ready bead allowing you to mount the tyre with a tube or tubeless features directional ramped pentagon knob design