I'd like to install a rear cargo rack on a bike that doesn't have eyelets for the top attachment. Would it be a bad idea to attach the rear rack stays to this seat clamp that's welded onto the frame, so that they're held on with the same bolt as the seatpost?
Alternatively, I could remove the seat clamp with a dremel and replace it with a seat clamp that has rear rack attachment points included, like this one:
What do you think?