Originally Posted by
Eric F
I decided to go with the GRX 812 rear derailleur for the simple reason of keeping things simple.
I’ll stick the XT RD and Tanpan in a drawer in case I decide to go 11-46 in the future…or maybe I’ll sell them.
(if this was mentioned above I missed it and apologize)
the 812 RD might also have a ‘clutch’ - if so you might find this feature to be an asset ... adds some weight - but could / should reduce (eliminate?) chain slap ... also possibly to help keep chain on (?) ...