Since the ZX14R pure Step was felt somewhat soft, it considers exchange. The Back step was also considered. It being satisfactory by the present Position and a Cost are high. By saying, it was considered as exchange of only a Step. Since availability felt it bad that it is hard to attach by an attached Spring at the time of attachment, the pure Spring was used. In order that the Step side hook portion of a pure Spring may merely contact a stationary arm for a long time. It cut about 5 mm, and a few was bent to the inner side and it was crowded to it. The step body thought that a little thicker one had a good Balance with a car body.