I find being so alert and hyper vigilant helps. I ride a 50cc moped in town and also cycled (on a bicycle) in London for a year. I found it quite exciting in a kind of suicidal kind of way! It improved my confidence and I was glad to be alive every day when I got to work. It was a definite positive for me. I would be careful on a more powerful bike though just because any jumpiness would be exaggerated. My moped only has a top speed of 30mph (32mph down hill with a following wind!):loopy: