Originally Posted by Crankycrank

I switched my Shimano self extracting bolts for something like these. https://www.ebay.com/itm/Sugino-8-mm...cAAOSwHMJYOVmt Still uses an allen wrench, looks decent and cheap. Never liked the self extracting collars as they didn't hold up to using much force. Best to just use a proper crank arm extractor tool as HillRider mentioned.