Hello!
In order to fix my friend's venerable Overbury's Pioneer MTB, I need (another) Mavic chafered bottom bracket. Yes, chamfered, like this :
http://t2.gstatic.com/images?q=tbn:ANd9 ... ioOoRaGKpL
It has to be a Mavic one I think, those screw together ones from SJS won't work...