采用前后双轮弧垂小不伤导线，轮槽宽，可通过各种连接器，按材质分有铝合金和MC尼龙两种。型号额定负荷(KN)适用导线(mm)轮径×轮宽(mm)重量(kg)备注SHR-25L25LGJ300～500Φ180×759.5铝轮SHR-25N8尼龙轮SHR-2020≤LGJ300Φ166×666.5铝轮SHR-20N5<pclass="MsoNormal"align="center"style="background:white;margin:0cm0cm0pt;text-align:center;mso-pagina</body>)