T4-19 2.25mm carbon main chassis&2mm upper deck & brass front balance weight & brass motor plate combo setThe T4 19 1001C4 combo set is the ultimate package for serious RC enthusiasts. It includes a 2. 25mm carbon main chassis, 2mm carbon upper deck, brass front balance weight 15g (L R), and a brass motor plate. This set offers exceptional performance and durability, with the added benefit of a 10% discount compared to buying the items separately. The high quality carbon fiber material provides strength and stiffness while keeping the weight low, and the