Time to get the bike ready for the indoor trainer. Removed tire and wheel and disengaged from the derauiller. Easy peasy.

Remove tire and tube from wheel, ok going so far.

Replace with much skinnier tube and special tire for the trainer, eh, not so good. Get 3/4 of it on with no problem. Time to stop and fix dinner. Clean up, well fed and ready to tackle that last bit.

Rats! Pinched the tube - flat. Fail. Bummer, I've done this before with success. Oh well.

Trip to the LBS tomorrow for me...