Originally Posted by
Frankfast
I'm able to get over all but one although some were really difficult. I need something easier.
The 29t bottom cog will be over 26% easier than your current 23t. The 12-27 will be over 17% easier. Frankly, the 27t would probably be fine, especially if you keep riding and get fitter. Take your pick, but I'd keep the crankset.