I bowl 2 handed. Its a lot harder to learn to do it the right way than bowling normal, yes you get revs auto but the thing is getting your form and everything perfect otherwise your not going to be any good and learning how to control the revs is a big thing to learn also. I have around 550 when I really wack it but around 450-475 normal strike ball at 18 mph but can get that up to aroudn 21 if I have to. I'm 17, have a 223 current average, 220 book, have 5 300 games, 1 800 series (801), 3 299's and 3 290's. I'm the only one around here that does it, some try but cant.
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Lefty
480 rpms
300
800(1)
Average 220+
BOWL TO WIN!