中轻承重脚轮SA系列
车轮直径：65~150mm 负重：50~140kg
型号SA:SA-65 R,SA-65 N,SA-65 U,SA-65 UB/SA-75 R,SA-75 N,SA-75 U,SA-75 UB/SA-100 R,SA-100 RB,SA-100 N,SA-100 NB,SA-100 UB/SA-125 R,SA-125 RB,SA-125 N,SA-125 NB,SA-125 UB/SA-150 R,SA-150 RB,SA-150 N,SA-150 NB,SA-150 UB