[ 48V-2500转-低速型 ]
[ 48V-3000转-低速型 ]
[ 48V-3500转-高速型 ]
[ 10*100mm 2孔轴铁杆 ]
[ 10*100mm 3孔轴铁杆 ]
[ 2孔轴铁杆+铜齿轮 ]
[ 3孔轴铁杆+铜齿轮 ]