I took my sons Parker junior mag in for a cable and string change today(at 11,he's a little rough on equipement). The junior mag is a two cam bow. The guy that put the new cables and string on realized about half way thru that he was working on a two cam bow and a weird look came over his face.After putting it together and handing it to me, I knew it was going to be out of time and I wasn't disapointed.He started trying to time it and after 6 times in the bow press he kind of gave up. I told him it would be OK,and after shooting the string in, I could take it my my brother-in-laws and reset it.I remember now why I bought a one cam bow. They are a bear to time and you can never be sure they are just right or almost right. Don