https://si.shimano.com/#/en/DM/RAFD001
Shimano tell you how to do it all properly here.
Yeah, I've looked at the dealer manual and watched a couple of youtube videos. I'll let the shop tell him all about the limitations.
@hippy started
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https://si.shimano.com/#/en/DM/RAFD001
Shimano tell you how to do it all properly here.