Highlights Central transmission secondary mechanical gear position is adjustable (upgradable remote adjustment). The chassis of the vehicle is made of zinc alloy. The front and rear axles adopt a conical gear to straight tooth high-load reduction transmission structure. Spring steel plate shock absorber + telescopic double shock absorption. Variable stroke ball type universal joint shaft. Front and rear independent link type bridge system. 8 rounds of full-time drive, large traction can pull all kinds of equipment. Steering gear control disc can be freely disassembled. 1/12 full-scale RC car model. The first 4 wheels adopt the wire rope pulling structure to realize the four-wheel synchronous steering.