Right now I have a 39t rear with a 14t front and a 108 link chain. Im going to be getting a 44t rear and 14t front what size chain do i need
The standard 16/39T sprockets with 110 links has a 25.679" center distance. The 14/44T sprockets with a 112 link chain would have a 25.765" center distance. A standard 110 link might be a bit short, the 112 would be better.
http://tsubaki.com.au/tsscs/chain_length.htm