When the lowest gear isn't low enough

[tribogota]

I'll try a different way to explain this, bear with me:


[To understand this fully, you would have to take into account the chainring at the front. The chainring multiplies your effort at the back. But you just asked about 11-23 so I'll leave it at that.]

YOU ARE AN ANGEL, that was totally exciting to learn AND understand, could now also please explain the chainring, I didn't know I wanted to know, but now I DO!