"The Schwalbe Big Apple Kevlar Black 14x2.00/50-254 is an outer tire that started the trend of balloon bikes 10 years ago. This tire offers comfortable cycling without expensive spring techniques, thanks to the air cushion tires that serve as a natural suspension. With a pressure of about 2 bar, this Balloonbike tire will roll with full spring on the comparison. Pumped to roll the Schwalbe Big Apple is suitable and the black belt has an Etro de 340 gramas.