Originally Posted by
icemilkcoffee
It's not a 'total outlier'. It's more like 'the first of a new series'. The 4700 FD and RD use the same ratio as the 11 speed road groupsets. The newer Sora R3000 and Claris R2000 also use the same new FD pull ratio as the 4700 and 11s drivetrains.
Not aware of that, but it's just plain stupid to not have these backward compatible with existing 8-9-10 stuff when everything in those speeds had been cross compatible.
What have they gained beyond making people buy all new stuff when a shifter is replaced.