I want the frame too, not the bike, closest I could find was this :
https://m.alibaba.com/product/62530387411/20-inch-48V-750W-73-SOBOWO.html?__sceneInfo=%7B%22type%22:%22appDetailShare%22,%22data%22:%7B%22filterKey%22:%227.8.2_share%22,%22cacheTime%22:%221800000%22%7D%7D
They will sell you...