The fatigue of the material 2017/04/13CASAdelDRAGON, color garden, HU Cervera del Maestre, UNIIEfafe the little trailer with rocks To mount a wall around a new bed we need 2-5 travels with a little trailer to carry natural stones into the garden area. In each travel we move around 500 kg. a broken tire No wonder that after some travels in unpaved roads we lost some pressure.