I have the Xciting 500 model. I purchased it on Feb. 2, 2013 with approx 3221 KM (2002 miles). I am now at 6465 KM (4017 miles).
I put approx 21K to 24,000 KM (13 - 15K miles) on a bike each year. If you take good care of it, you should have no issues at all.