Yes, I was obese and was able to get down to a normal weight. I've kept the weight off (with about a 4 or 5 pound fluctuation range) now for about eight months. My story is here: http://forums.teamestrogen.com/showthread.php?t=47094

Good luck! Keep riding! And pay attention to how much you eat. Exercise is important but cutting the calories is what causes you to lose weight.