並前往https://auroratech.com.hk/product/rotor-aldhu-3d-dm-crankset-w-r-rings-%E7%9B%B4%E8%A3%9D%E5%BC%8F%E9%8F%88%E9%A4%85%E7%B5%84%E9%80%A3%E5%9C%93%E7%89%87/