Originally Posted by
Abu Mahendra
Shinano Tiagra 4700
50/34T crank
11-34T cogset
If You want even smaller ratios, you'll need to use MTB components.
Tanks, Abu. I will try the 11 - 32T cassette and smaller chainring and see how things are. But it will probably come down to either settling with what I have got, or changing the entire drivetrain similar to what you are suggesting.