PICK UP NORTH OF CHICAGO,

please, please, ask any and all questions,
i love my bikes, but i don't know everything,
i assume if you are looking at this bike you have a good appreciation for what a nice, very rideable bike this is,
don't know for sure what size it is, i've got l/xl down and i'll give you the measurements i have,
top bar slants, its 20 inches from mid crank to top of frame at the seat post,
with the seat level with the handlebare, it's 24 inches from mid seat post to mid handlebar,
also, from mid crank to the top of the seat its 29 inches, i'm north of chicago, welcome to come and see it, 
very flat here so i own 3 single speeds, 
had it set up by green bay cycle in winnetka, and they put on the single speed derailer:?, 
if that's what you call it, keeps the chain from flapping, 
built for speeds or single speeds,
guides on frame for rear derailer and front derailer,
can't get the fork lock to work, it's on so the fork works, not stiff,
great bike, thanks for looking,