Bargain xt di2 rear mechs on ebay. https://www.ebay.co.uk/itm/205013311892
Pic of cable operated 8000, and confusing use of both 8000 and 8050 in the description. I've emailed them for clarity.
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Bargain xt di2 rear mechs on ebay.
https://www.ebay.co.uk/itm/205013311892