All set. Here are some photos. I think it is self-explanatory what I did. I have a drill press and a 90 degree countersink drill bit, so I made the bolts that hold the plates to the Zero factory rack flush. I think there is space under the M5 (it is a honey-comb plastic, not solid) to position it so that you don't have to countersink the heads, but this is a cleaner install.
Materials:
- 1/8" thick aluminum bar, 36" x2" from Home Depot. Approx. $11
- 4x stainless steel washers, and M6 metric screws and nylon lock nuts. Approx. $8
The aluminum is easy to cut with a jigsaw. Can be cut pretty easy by had with a hacksaw too. All holes are done with 6mm metric drill bit.
This case is 55L, and easily holds my two flip-up size L helmets side by side. Comes with a wireless remote too
and wiring for the lights (but I would need to do the wiring some other time - right now I've installed just the case.
Have not ridden it yet, so not sure how the bike will feel. Getting my leg over the seat with that case might be interesting and a second person might have to climb over the seat instead of swing a leg over the tail.