It already was a big deal .And here i show the proces i did to repair it:The first thing I had to do was a tool to remove the left crank nut...DSC02992 por monchito3000, en Flickr... and a tool to separate the axel from de crank.DSC02990 por monchito3000, en FlickrHere are some weights:DSC02984 por monchito3000, en FlickrI thought in lightening the axis, but finally it seems to me a litle bit dang