A big disappointment, a bad purchasing investment. The rear rack doesn't fit although I was sent a new rear fender and the derailleur guard is bent. I did not realize I was going to be responsible for fabricating the parts that don' t fit. After purchasing on line bikes, this the first I have to fix right out of the box. I am definitely in buyers remorse. I also have found the bike is to large and I can see it would be difficult for me, an 80 year old to manage, this has nothing to do with the...