1. Usually a 2005 Trek 4300.
2. Just a multi-vitamin.
3. I don't know.
4. Bought the bike new, but never used it until 2010. Cycled off and on for about three years, then stopped for a year. Just started riding again about a month ago.
5. Short rec rides. Typically 15 - 25 miles.
6. Five days per week. I hope to break 2500 miles this year and 5000 miles next year.