I used these from UK to Cape-town. I also recommended these to a KIWI guy who did the same trip with the same bags. He loved them too.
Mine were Class A second hand from Silvermans
GREEN MOTORCYCLE PANNIERS
They're cheaper there too.
I think they're BRILLIANT.
They are SOOOOO strong you wouldn't believe. They are way stronger and better made than my £200 soft bags.
They took loads of crashes, drops and abuse and didn't even drop a single stitch.
They're also BIG. I reckon like 35-40L big so you can fit plenty of stuff in them or just leave them half empty.
The negatives is that they aren't waterproof so you will need inner bags (no big deal) and they are more time consuming and fiddley to open as they have buckles instead of velcro, zips or press clips. However, I liked this as it would also slow down any potential light fingered folk.
If you get them, buy some wide velcro strips and sew them on the inside flaps to stop the wind hooking them up. I also put some press studs on the corners of the main flaps for the same reason.
You could also easily repair them with some thick thread and a needle. Try that with silly heavy overpriced Aluminium boxes.
I would happily use them on a RTW. They would last longer than my bike...
2001 NX650 Dominator.
BMW Dealer Technician
Ushuaia - Colombia 2007/8
UK- South Africa 2010/11
S.E Asia 2014
U.K - Magadan 2015