Then, as the others suggested, keep your eye on the area to make sure it is not loosening up.Speaking of loosening up, at a minimum, weekly and better than that, daily put a wrench on all of the exposed bolt heads and make sure they are tight.Big singles, especially during break in vibrate a lot and can loosen even the tightest bolt.If you find a loose one, remove the nut, apply some blue Loc-Tite