What do I do about this dodgy Ebay seller?

Mooks is right that you cannot stop it from happening.....what little you can do and that might be little indeed is better than doing nothing...at least your conscience is clear...otherwise why start this post in the first place!

A rational post to calm the storm...

I've just noticed that the winning bidder's ID is kept private, so you can't e-mail them to warn them, but I did notice this, asked on the 23rd...

Q: Hello, What is the significance of there not being a lock ring on the fixed cog? 23-Nov-08

A: It can unscrew if enough back pressure is applied to the pedals however this is usually when the bike has only one brake and you reverse pressure on the pedals to slow down. Not the case with two brakes as here. I added it to the description purely for completeness. hope this is of use regards Graham

Seems to have covered all the bases?