The seat rails remind me of the early issues with the chrome chain guard. When they first came out, most of them broke on the mounts. Went through a few of those also. Then Triumph used thicker metal on the mounts. Solved the problem and never had another issue with it.

"It's a hundred and six miles to Chicago, we've got a full tank of gas, half a pack of cigarettes, it's dark, and we're wearing sunglasses."