I would call Jamis Monday & find out. Just guessing I would say a 17. Is it a real hot deal that can't wait? maybe you could ask the seller to hold one or go ahead and buy it with the agreement that you could exchange it if it's the wrong size. I'm between 5'11" & 6' and bought a 19in. 26er Dakar Sport frame back around 2002 (it's a 2001 26er frame- (I had it all these years & haven't built it til now-please don't ask why

), and it was a tight fit, so I'm pretty sure you need a 17.Jamis's toll free number is i-800-222-0570. I got through to the Tech department very easily. Give them a call (it may help to ask for Tim) He helped me out a lot.Also check Jamis's website a Google your bike up for info. and always check to make sure there aren't any recall issues before you buy ANY MTB equipment.
