I'm in need of a multi-speed bike this summer and am selling my 2yr old single speed bike. It has bullhorn handle bars, a flip-flop hub (it can be single-speed or fixed gear). I currently just have the front brake on, but still have the rear as you may want it. It also has a back rack for storage and a metal piece on the front if you want to attach a front storage unit as well.
I'm 5'11" and believe the frame is 54cm.
I have some simple fenders I can throw in as well.