Sugino Messenger

On my fixed gear, i have a 46 tooth sugino messenger chainring in the front and a 17 tooth surly cog in the ba?
What size and length of chain will that require?
sounds like a stock langster (specialized). am i right?
anyways, it really depends. all new chains are overly long and are meant to be cut down to size. buy a chain breaker, buy a chain, and get on with it.
PS-its a lot easier to remove a link then to put one on, so dont cut it too short!