GIVI topbox mount

850commando · Sep 26, 2018

over the summer i had some time and sticks of steel to build a test dummy to mount a Givi top box on a Norton. the photo shows the test dummy, and the cad drawing is how the final production aluminum item should look.

baz · Sep 26, 2018

Please don't take this as a criticism but why do you want the box so high?
And if you want to put any decent weight in there you know doubt already how easy a commando seat loop bends?
The 850 frame is a bit better with the bracing by the shock mounts but they still bend easily, the easiest place to triangulate the rack is to mount stiffener arms to the rear footrests mount,cheers

CanukNortonNut · Sep 26, 2018

Here is my setup. I am using a GiVi E370 Tailbag not shown. https://www.accessnorton.com/NortonCommando/new-paint-for-the-old-girl.25090/
As baz stated you could drop the tail bag support bars down about 3 inches. YMMV
cheers,
Thomas

850commando · Sep 26, 2018

remember i said test dummy, the final effort will be about 2 " lower, i want it as close to the back of the seat as possible but still provide enough clearance to pull the interstate seat out.

swooshdave · Sep 27, 2018

I would drop a support bar down to the passenger peg. That is a lot of weight hanging way out there.

If you want to see the most brilliant Commando luggage rack ever designed look here:

https://www.accessnorton.com/NortonCommando/luggage-rack.6134/#post-70372

Since you seem to be quite handy with metalworking replicating this rack doesn't seem like it would be much of a challenge for you.

Mr. Rick · Sep 28, 2018

That Bobolink rack is way cool, but I can't figure out how the top struts are "attached" or "hooked" ?

baz · Sep 28, 2018

Mr. Rick said:
That Bobolink rack is way cool, but I can't figure out how the top struts are "attached" or "hooked" ?

It looks like it just hangs backwards hooked in at the top and is retained by the seat knobs
With today's pot holes roads (in the UK) I'd be concerned about the rack trying to lift every time you hit a bump
I'd like to look at it more closely

Mr. Rick · Sep 29, 2018

Yeah, me too...
He says it's trapped by the seat knob from coming outward, but I can't make out what keeps it from going backward, or up and down.

GIVI topbox mount

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