Originally Posted by rumatt

So I'm just realizing that my old XT mountain bike cranks have the same spindle length and will fit? Holy crap I didn't know that. I'll experiment with some of them later today to see if it works.

Some say tiny chain rings don't work with will normal derailleurs because the diameter doesn't match the arc of the derailleur. If that's true, a 46/30 crank with an 11-40 cassette might be the ticket. I just hate the idea if the rear not shifting perfectly.