Originally Posted by
ItsJustMe
Don't drill the frame unless you have the capability to also weld in a mount point. Drilling the hole will weaken it, the mount point welded in there will put the strength back in.
There are bolt on mounts for this situation, or some bottle holders simply use hose clamps.
Well put, but wrong.
A round hole will not significantly weaken the frame, but trying to weld stuff to it might.
THe better solution is riv-nuts:
Your source for Rivnut® engineered fasteners and installation tools - Cardinal Components
These come by other names, such as P
em Nuts
These are generally how water bottle bosses are attached to aluminum frames.