Avoidance is better than cure

Pre-, during and post-ride maintenance tips

Tools to take with you

What you should take, and what to use instead if you didn't take it.

Other stuff to carry

Like a good boy scout, be prepared. 

Be safe when fixing things

Don't just jump into a repair - check for general safety, check people, then check bikes. 

If you can't ride out...

Sometimes the bike really is trashed, or someone is injured too badly.