Very nice Black dahon, i like your upgrades, exactly the stuff I would do first since it actually makes the biggest/a difference.
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jur. Stainless steel thing, I have one now and it seem lighter but can not be sure. But still, I am a folder enthusiast, not a weight weenie. If it was my daily multi-modal transport/commuter that i lifted 4 times a day five days a week, I would of course feel very different.. But since I am not.. Also with the mods people here are sharing or that I linked above the Classic 3 weights about the same as an entry level Brompton and nobody complains much about the weight of those?