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mr_tom
I am thinking of getting chorus 12 speed mechanical. But I really don’t like the style of the current chainsets. I have an old (2012 I think) 11 speed Athena chain set to hand. Can I use it with the rest of the 12 speed group?
If it won’t work, how do aftermarket chainrings work? Like this one for example which claims compatibility with all 10, 11 and 12 speed groups, presumably meaning Shimano and campagnolo.
https://rotorbike.com/catalog/default/rotor/road/chainrings/noq/noq-110bcd.html