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does anybody have some real life experience with this chain
My real-life experience is that by the time you've imported this, you could have paid for a 3/32" drivetrain.
More seriously, you seem determined to follow this course so just do it!
You've asked for opinions and received them, but some lessons need to be learned in practice rather than theory (which is entirely valid).
TL/DR
Just blaze a trail and buy the damn chain already.
UPDATE: i may change to a 3/32 drivetrain in the future...
however, i stumbled across the Izumi Eco 1/8" Track/SS Chain during my research. It has a claimed weight of 260 grams.
https://www.racycles.com/product/detail/9140
http://www.treefortbikes.com/product/333222343617/92/Izumi-Eco-1-and-8-Track-and-SS.html
does anybody have some real life experience with this chain, especially weight-wise?