The utility model relates to a combined rolling wheel group for rolling sports apparatuses, which aims to provide a rolling wheel group having the advantages of simple manufacturing process, good operating performance and low maintenance cost. The utility model is composed of tyres, a left and a right wheel bodies and a wheel shaft, wherein, the tyres are annular elastic bodies with central through holes having expanding holes on both ends, and the left and the right wheel bodies are provided with central through holes. One side on the periphery of each wheel body is provided with a convex shoulder separately corresponding to the central through holes and the expanding holes of the tyres, and the other side on the periphery of each wheel body is provided with a positioning flange of which the diameter is larger than that of the expanding holes of the tyres. The tyres are sheathed on the left and the right wheel bodies which are connected by fasteners, and the wheel shaft is penetrated in centre holes of the left and the right wheel bodies; the utility model is installed on a supporting frame of a rolling apparatus by means of the end of the wheel shaft.