Panaracer39s exclusive multi step knobs have various heights designed into each knob these stepped knobs help tyres to perform in all conditions from hard to soft short big knobs are specially designed to provide an excellent ride that also delivers the lightest weight full knobby mtb tyres the new zsg natural formula integrates more natural rubber into the compound this compound has the same low rolling resistance as the premium compound and it has enhanced wear resistance making it perfe