Well I sold my gy5 that was unbalanced (and a 200) for $1500 earlier this year, it has about 3000K on it... That price doesn't really sound too bad, maybe you can talk them down a bit... I haven't really had any troubles with my new bike, like I said, I don't think you have anywhere for your toolkit (if they give you one), and it doesn't have a rear rack... It's not that hard to make though... I'm on my second one now because I didn't like the fit on the first one I put on, unfortunately I cut it up, otherwise I'd offer that one to you... I haven't had anything crack, or even come loose on my bike so I can't really suggest anything to look out for, except my headlight bulb came loose a few times, but I'm sure they would have fixed that if it was a problem for them... The swingarm on this one is slightly different from my bike, but it is the same as the ones I saw at the bike show, same shock, frame, etc... This is lifan's 250 gy6a (229cc)
http://www.lifan.com/en/product_list...id=8907&id=862
Could be that same bike...
My only real comment that isn't positive is the seat is hard.