上垂直框架管（末端用）

Swapped this out on my end frame after the old one rusted through, and the galvanized steel feels way sturdier than what came with the original set. The powder coating went on clean with no bare spots around the bolt holes, and it lined right up on install.

The powder coating looks thick enough to handle a few winters outside, and the galvanized steel feels sturdier than the original tube. Only gripe is the bolt holes were a hair tight, but it went on fine after a little wiggling.

The tube bolted right up to my old frame ends and the powder coating looks thick enough to handle a wet winter. I knocked one star off because the holes were a hair tight and I had to wiggle the bolts in, but it's solid galvanized steel and feels sturdier than the rusted original.