check out tout terrain frames over at peter white's.
expedition bikes for sure... and i'd prefer soft bags for bikepacking type riding - but if you mix in all terrain including roads and dirt and gravel and are traveling round the world - these look pretty ideal. crazy engineering on that rear suspension. even down to the 2 piece fender.
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So long. Been nice knowing you BF.... to all the friends I've made here and in real life... its been great. But this place needs an enema.