I shoot a 50-60 set at 60# and can pull it easily straight back with no hesitation or strain. I can pull a 70# also pretty easily. I guess after I have sat in the cold for a while, my arms and shoulders get kind of stiff (getting older), so the 60# becomes a little tougher to pull. I thought about getting a 70# on my next bow, but after seeing what my 60# bow did to two deer this season, I may not.