weli have a cybertech ( 2002 ) modle w/ the XT2000 limbs. it is 60-70lbs. had the bow cranked up all the way except i could of got two or three more turns in. and it was at 73lbs.
if i could do it over again i would of got the 50-60lbs and crank her up all the way. should get close to what you are looking for.