[lobospec]

I just got a set of rims and spokes for my 50. I managed to get the from laced up last night but had major difficulty. I am going to tackle the rear tonight but I saw on a website that the hubs need to be drilled out. I wish I would have known about this last night when I was lacing the front. Can anyone tell me what size bit to use when drilling out the spoke holes on the hub?