i bought an ab circle pro after the 1st of the year. i want to lose weight before my family reunion in april and i am determined to do that.the concept of the idea is a good one, but the machine is made very poorly. when i took it out of the bax and put it together 1 wheel was already messed up.i enjoyed doing the exercise and i had started losing weight, but after only a week of workouts the machine has metel shavings in the middle of the machine. i am constantly tighting the bolts up. i weigh 160 so i do not think that would be the problem. out of all the machines i've tried, i really like this 1 the best. to bad it is made so poorly read full review »