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Bibio · 07-08-23, 09:52 AM

update. its hollowtech II Mk1. the main nut for the II fits but the difference is that the mk1 does not have the hole for the updated crank arm washer/locking pin. quest is over lol. thanks for all your help.

07-08-23, 09:52 AM	#16
Bibio Member Mega Poster Join Date: Jul 2008 Location: here as devil's advocate Posts: 11,540	Re: Shimano Hollowtech update. its hollowtech II Mk1. the main nut for the II fits but the difference is that the mk1 does not have the hole for the updated crank arm washer/locking pin. quest is over lol. thanks for all your help.