A group of friends and I are planning to do RAGBRAI this year. I have a friend in his mid thirties that has a mild form of Muscular Dystrophy who has to wear leg braces to walk. He is interested in participating with us but hasn't ridden a bike in years. My question is if anyone here knows of any difficulties he may encounter or tips and tricks that could help make riding easier for him. Feel free to chime in!