Originally Posted by Wordbiker
You may be able to install some self-extracting crank bolts and get them off not only this time, but anytime at all with just a hex wrench. In my experience, these are best installed after removing the crank with a puller, but you may try it out.

I don't understand why the crank needs to be removed to use this.
Wouldn't he just remove the original bolt, replace w/ the s-e bolt and parts, and then just back out the bolt?