Trailers with launching system fitted with central roller track, rollers on ajustable beams, an adjustable bow stop and a manual hauling winch. Hot galvanised chassis. Adjustable suspension frame to perfect balance. The drawbar is articulated except on TRG 135 and TRG 225. Suspension with rubber components. Removable taillight. Polyethylene mudguard. NB: The empty weight may increase according to the equipment options (which reduces the payload).