I own a 2010 xtc 29er, have been riding it now for almost a year and a half. And it hasn't given me any problems! And it's an awesome bike to ride ( some of my mates even sold there more expensive carbon dualies for one of those!) The wheels are extremely strong and light but they are just very difficult to try and convert to tubeless. So for the moment I'm still running tubes until I can afford a proper UST wheel set.