I just learned something today. I was trying to press the magnet into the hub and it was a little tight, so I put some heat on it. To my surprise, after it cooled down the magnet is no longer magnetic, thus useless. I have read that epoxy or JB Weld will hold it in. I'm just a little worried since it will be spinning at 9000 RPM. So are my worries justified or will JB Weld hold it in place?