轮体全部采用铝加工而成，外齿圈为工程尼龙制作，撑轮弯轨为不锈钢道轨弯制而成。

外型尺寸：ф485、ф385、ф2858888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888

挂钩为ф8mm不锈钢制作88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888