I will try different strings, but for now I like it a lot with Sonic Pro that it came with.
Strings that I will be trying :
Black Widow, 1.25
Focus Hex, 1.10
Signum Pro Hyperion, 1.18
I will let you know as soon as I cut the Sonic Pro out.
Head Graphene Radical Pro | CAP grommets | 350 g | Dunlop Black Widow