mini-c flex ?

[thegreat1]

so i am currently converting my mini-c to brushless and i have a turnigy 3600 kv motor that has a 4mm shaft. i need some help on which flex frive i should use. i see on a couple other mini-c's that are brushless they use .098 the problem is i cannot find a coupler that goes 4mm to .098 so what else can i use that is compatible with that motor?

thanks!
thegreat1

[jeff180]

I would just get the 1/8 to .098 coupler and drill out to 4mm.