You might want to search local CL ads for bikes for sale that have these kinds of bags included and ask the seller if they would sell separately. A lot of people don't want the luggage and it's a way for the seller to potentially make a little more. Look for K1200S K1300S F800ST K1200R etc. I ended up finding a guy with a K1300S with bags that sold me the bags and mount for $500 which I thought was a decent deal since the bags were perfect and the mount alone is over $200 new.
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