Every Martin bow can be lowered with 15lbs, but i don't think you should buy very light one unless you have some problems with your back or shoulders. By the way- Greetings from Bulgaria, a country where the president never steps down even when he is caught with a schoolgirl
2008 Martin MOAB - 45-60#, set at about 51-53# / 55#" Perfect Line" compound/ 55# Mongol horsebow/ 45# "Perfect Line" takedown recurve/ 45# Bearpaw Grizzly hunter recurve/ 55# Samick Longbow Cheetah ... and several homemade bows