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Seems like that same rear derailleur is about £175 now - https://www.probikekit.co.uk/bicycle-derailleurs/shimano-ultegra-di2-r8050-e-tube-rear-derauilleur-shadow-design/11465221.html?affil=thggpsad&switchcurrency=GBP&shippingcountry=GB&variation=11465223&shoppingpid=TOP10_020318_&gclsrc=aw.ds&&thg_ppc_campaign=71700000008963581&gclid=CjwKCAjwr7X4BRA4EiwAUXjbt345CVGF9C-NFO-mrT5oO6I5vQtsCarU9Z_WHuBo4d1W4L5tH6KV-BoCLBcQAvD_BwE
Or
EUR 201 for the GRX
I've destroyed an ultegra di2 rear mech, I think a spoke broke and took it out (including damaging the frame, so generally a good days work).
I'm running a 32 already and was thinking about doing some more adventurous rides when I get it all back up and running) - is there any reason not to get the grx mech instead of like for like?
As far as I can see it would limit me to a smallest gear of between 30 and 34 but I'd get a clutched mech which might be good for bumpy stuff - is that about the size of it?