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https://www.bike24.com/p2164000.html
https://www.bike24.com/p224690.html
https://www.bike24.com/p224697.html
https://www.bike24.com/p2277806.htmlAnd
Old Ultegra:
https://www.bike24.com/p265957.html
https://www.bike24.com/p265970.htmlNew Ultegra:
https://www.bike24.com/p2223698.html
https://www.bike24.com/p2223694.htmlBleed kit (if not a shop):
https://www.epicbleedsolutions.com/products/bleed-kits/shimano/complete-kit/Add all that to cart plus £200 and you have your groupset price.
I'd keep the Etap and she could have my R8070
Thanks for the diagram, useful starting point