are usa bats 1.15 bpf?
“USA Baseball, the national governing body for the sport of baseball in the U.S. in conjunction with participating national member organizations has adopted a new method for measuring bat performance in the testing of youth bats.” ... Since 2012 USSSA Baseball has used the 1.15 BPF for 2 ¼”, 2 5/3” & 2 ¾” barrel bats.