I'm running a new chain since my recent bike rebuild, and facing a couple of days of cold and rain here in San Antonio.

This brings to mind; on all the many tour accounts I've browsed on crazyguyonabike few bring up bike maintenance en route.

Flats to be sure, followed by new tubes and/or patches. A couple of spoke issues, sometimes replaced with a flexible temporary spoke, sometime resolved at a bike shop.

I'm not recalling chain maintenance however, at least on the ones I've read so far.

What does one do about chain maintenance on a long tour?

All input appreciated.

Mike