After a few practice sessions with my avalanche pearl i have to say it is GREAT. Bowling on light carrydown, after league and general open bowling conditions. My speed is on the slower side, 15-16 mph on a good day, and i get a little more hand into the ball, 300ish rpm.
Matches up percent for me, although it is a bit much for the ths condition with the oob surface. It plays very over/under for me there, i don't like the reaction i see. Surface adjustment should solve that. I like the spot it is in, and may seek other options. Ric you have pm sir.
Pin under ring, 45* layout, x-hole down on the val. Roughly a 4 1/2" pin to pap for me.
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AIM = y2moe99