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onyerbike-
14 speed
I realise there's a bit more OLD now that everything is disc, but surely chains and cog spacing have gotten about as narrow as they can go? And IME&O, 11s/130mm dish is maxxed out.
There has to be a ceiling to this. And nobody ever talks about ratio spacing; aside from 10t and 9t being stupid because chordal action starts kicking in at 11t (the cog effectively being more of a polygon than a circle), the % jumps start getting higher than you'd want at speed between 13-12t.
What would a drivetrain look like if it was designed with the aim of delivering (within reason) more optimal ratios, without making dumb compromises?
Kimmo
13 speed may potentially kill the front derailleur anyways