I'm almost 50 and out of shape but for the last 3 months I've been walking alot I am up to 5 miles and have lost 30 lbs. My weight is 250lbs and I have look at a few bikes but not sur if a Road Bike would hold my weight? I used to be in the military and was Airborne so we would run 10 plus miles a day I want to get back to that and get in shape but with all the bikes out there not sure what would be best for me but i would want stay on the road and be light weight so any help would be greatful Thanks James