I am 71 years of age, and my current bike is a Giant crs I bought it with the intention of doing a bit of touring but in reality for the past 4 years only have aweek away on the bike each year.I am usually out cycling about 3 times a week averaging about 20/30 miles each run, but am thinking of changing to a lighter bike a hybrid my budget is about 500 pounds been looking at the giant escape 1. any suggestions would be most welcome