Great working bike. No problems. I am moving out of the state so I am hoping to sell it.
28 speed
I don't know the exact frame size but I would say it is larger than average. I am 6'0"
It has been in Arizona since I bought it brand new(2012) and has been in Palo Alto since September 2016, so mainly been in non wet weather. No rust.
All gears work great. No tune up should be needed.
Ideally I would like to still use it until I move out which would be on June 9th.