This is what i used http://goo.gl/0iUIc , to save the coiled cable you can use this http://goo.gl/f4akE , just search form ath m50 a thread should pop up, remember you'll need a soldering iron.   How mines turned out    

i currently have the same problem, i was considering just using some epoxy on both sides and sanding it down a bit and repainting the band. my 0.02¢