I haven't built mine yet but from what I've read they seem solid. I have read that the steering can get a little loose after a while. Out the box I'm going to be using the JC setup. And to stop the spur from rubbing I've got the spur guard.
https://www.dms-racing.com/index.php...ategory_id=149
https://www.dms-racing.com/index.php...ategory_id=149