1. The wheel adopts an inflated wheel with a diameter of about 260mm and a width of about 80mm across the cross section. 2. The bracket adopts 304 stainless steel, the bracket square tube 30*30*1.5mm, the wall thickness 1.5mm, the bolt, the screw, the pin and so on, also uses 304 stainless steel material. 3. The stern wheel is mounted on both sides of the rear stern plate of the inflatable boat and can be lowered and retracted freely. 4. Convenient towing vessel. 5. Simple disassembly and easy to carry.