Ken

Here are a few links from UK shops that show what you are looking for. If what you really want is a new crank then maybe you should get that - it sounds like you deserve to treat yourself.

http://www.ribblecycles.co.uk/detail...e=TAAACHRI0400

http://www.ribblecycles.co.uk/detail...e=STROCHRI0300

I hope that the treatment isn't too harsh - I think your approach to life will stand you in good stead to overcome the worst aspects.