on the 2008 model, there is 2 different types of flex to choose from, either stiff flex, or regular flex, while to 2007, there is only on type to choose, (regular flex). it really depends on how the bats feel in your hands/ when you hit the ball, try to find a friend or teamate who has them and try them out to see which you like, everyone is different and has different likes/dislikes when it comes to bats
on the 2008 model, there is 2 different types of flex to choose from, either stiff flex, or regular flex, while to 2007, there is only on type to choose, (regular flex). it really depends on how the bats feel in your hands/ when you hit the ball, try to find a friend or teamate who has them and try them out to see which you like, everyone is different and has different likes/dislikes when it comes to bats