Flex Guide

Weight (lb) 60 100 115 130 145 170 185 210
Flex 35 45 50 60 67 77 87 102
Stick Length (in) 45″ 50″ 50″ 55″ 55″ 60″ 60″ 60″
The flex suggested is based on weight:
Height and feel should play a big factor in selecting a stick.  
If cutting the stick remember the flex will go up 10 for every 2 inches you cut off