I've always sized big-big without derailler and then added a link (two rivets) as in Park Tools easy method
https://www.parktool.com/blog/repair-help/chain-length-sizing
(don't forget the quick link counts)
this has always been my go-to too. will have to check the shimano spec and see where i get to
@swedeee started
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I've always sized big-big without derailler and then added a link (two rivets) as in Park Tools easy method
https://www.parktool.com/blog/repair-help/chain-length-sizing
(don't forget the quick link counts)