Schwalbe rocket ron evo mtb tyre snakeskinfor the first time schwalbe have brought a real semi slick to the gravity and enduro scene its a very interesting option especially on the rear wheel and for very fast dry trails there is no better tire for low rolling resistance than rocket ron evo mtb tyre triple star compound mtb our best and most sophisticated compound triple compound perfectly adapted to the specific purpose pacestar easy rolling base layer base grippy center medium