Originally Posted by
Pompiere
One time when my daughter had crashed and broken the bell crank on a Shimano 3 speed hub, I was able to secure it in the middle gear by using an acorn nut on the end of the axle to hold the shift rod in place. It took some trial and error to find the sweet spot, then I locked the acorn nut in place with a thin jamb nut.
That's clever. I haven't jury-rigged a 3-speed hub yet, but I've done something similar with a rear derailleur.