The contact owns a 2021 KZ-RV Spree. The contact stated that the trailer hitch had started to bend after continuous usage. The contact stated that the frame of the trailer was too light to tow certain material. The contact also stated that the gross tow weight for the trailer was 4,000 lbs. The contact stated that the trailer was not used to tow over the gross weight. The dealer and the manufacturer were notified of the failure but had not offered any assistance. The trailer was not repaired. The failure mileage was approximately 400.