Originally Posted by
bigfred
Just for future reference, you can usually get the deraileur up a few cogs by screwing the limit screw all the way in. Leaving you with a 2 speed.
The possible routes home from that point all feature 5 minute climbs in the 7-9% range, so I needed to be in a lower gear than 39 x 15, but if I lived somewhere flatter, that would also have been an option. I'm pretty impressed with myself for having thought to shorten and reroute the chain, and not just sit down and cry!