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all chains are narrow wide, or rather, the chainring is narrow wide, the chain is not. every other link on any chain is wider (see image below). The wide teeth on the chainring fit where the outer links are and the narrow teeth where the inner links are. So you get a better connection between the chainring and chain so in theory you chain doesn't fall off
So just run your narrow wide chainring with a road chain with a 3/32 rear cog and you'll be fine. I'm fairly sure a 1 1/8 chain and rear cog would work too but someone else feel free to discredit that idea.
fredtc-
Ahh, thank you, very helpful indeed! All these different sizes had me rather confused. I'll order a 3/32 cog from velo solo and hopefully that should do the trick. Would I be right to presume that a standard 11 speed MTB chain would be 3/32? more specifically the Sram PC x1
clockwork_killa
Well I seem to have just run into my first snag. I had intended to build this up fixed at first but I had forgotten that the 1x sram chainset I have uses a narrow wide tooth pattern. I cant say Im overly familiar with the narrow-wide concept, does anybody know if its possible to run a regular chain with a narrow-wide chain ring? I have a 1x11 chain that is also narrow-wide but the bolt on cog is standard 1/8th so isn't going to be compatible. Are there any narrow-wide bolt on cogs that anybody knows of?