As a newly started bowler 2 handed style. (Aprox. 450 rev. 15,16 mph RH)
And owning 2 rotogrip balls now, the Deranged and uproar.
Since I bought the uproar, the deranged hasn't been much out of my bag at all.
I play on THS and sport paterns mostly.
For me its THE ball to have.