I know what you mean, the Freeze has a little more bite in the backend then the Dark Star. Hmmmm... Maybe the new Nomad Dagger? I'm not to sure. I'll be sure to try it out soon and compare.
I think you can take another ball but give it a more of a longer layout to kind of match the roll of the Dark Star
lol, Im not to sure, but that has a chance of working
Maybe can match the low and high differentials with the Dark Star and use the same grit and cover. Only thing that'll be different will be the core lol xD but... Still would be different haha xD
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Current Arsenal:
Track 916AT
Track 607A SE
Storm 2Furious (Polished)
Storm Anarchy
Ebonite Mission 2.0
Brunswick Wild Ride
MoRich Weapon of Mass Bias