Arrma Kraton 1/5 EXB EXtreme Bash Roller Speed 4WD Monster Truck (Black)The Arrma Kraton 1 5 EXB Roller was designed to be one of if not the most durable rc trucks available on the market. Built around the new EXB 7075 T6 5mm thick CNC aluminum laser etched chassis. The new Kraton also comes with an EXB front brace, EXB front bumper, and new 6mm shock shafts. The Kraton 1 5 EXB comes as a roller which allows you to make the Kraton 1 5 EXB the best truck for any application. The Kraton 1 5 EXB is one of if the not the best