Sorry for the delay, didn't see this one...
SX1
Lower absorption cover, strong block. Good for a controlled break point with strong finish. I have found that high shine and weaker layouts get these balls down the lane very nicely.
GT1
My personal favorite, have both 300s with 2 different GT1s. It is a fantastic benchmark ball. The lower diff of the core coupled with a strong pearl cover creates length with a controlled finish. Don't be afraid to use stronger layouts on this one.
TX1
Stronger core but same cover as the SX1, this one will start a bit sooner and be a few more overall. Once it starts moving it is very continuous.
TR2
Sharing the strong core of the TX1, but with a very strong cover, this one hooks. It comes 800 out of the box, so either have oil or shine it. Again once it starts going it continues.
The one overall quality that is common to all of these offerings is the consistency and absurd hitting power. The covers are also very tunable and respond well to different finishes.
