Originally Posted by
ThermionicScott
Any of those would do the job well. My preference, since you have advice from the horse's mouth, would be to go straight for the UN55 in 113mm.
cool, I appreciate that. The frame I’m using was a complete bike parted out. Just saw a pic of the breakdown. Looks like the original crankset was 7/8 speed with a 68x110.5. Is moving to a 10 speed cassette the reason to go 113 I wonder?