VXB.com sells 8x15x5 bearings, but they are $9.95 each...almost $80 for the 8 bearings you need.
You could also sleeve an Avid RC 8x14x5 bearing to make it fit in the 15mm hole, and those are only $1 each!
-Chad › PM ME IF YOU HAVE THE BELOW: › VBS, CVDs, GM Single-Speed, OTB, Ultramaxxed, Super6, Strobe, Sprong, CNR Brake, UE Hex, DUH Towers, Predator, Blackbird, GA Blue Screws, HCR F/R Skids & Mutant