Sorry - mine is set up a single speed, and also it's 19.5 inches!
I'm 6ft 1, and rode it with a lot of seat post. See what you think. Don't want too much for it. £175ish?
Rock Shox Tora forks, Deore hubs, Deore square taper cranks, BB7 brakes, Easton bars, hope headset and seatclamp, and other basic bits.