https://www.ebay.co.uk/itm/Specialized- ... Sw0X1b3uSp
Swap out the flat bar for drops and you're good to go.
I have a 2010 Sirrus Pro Ltd it's one of the very, very few carbon frames that has proper mudguard and pannier rack mounts. My 58 set up with a 50/33 -11-32 is under 8kg, that's with 40mm tyres though the wheels are fairly lightweight types and also carbon flat bar.
Below is my 2007/8 Specialized Globe Expert, originally a flat bar but converted to drops.
As pictured with 32 spoke wheels, Ultegra/105 triple with Miche c/set )50/39/24),rack and guards it's a shade over 10kg incl the XT SPDs. Frame is alu triangle, carbon forks, carbon seat stays, carbon seatpost. Takes up to 45mm tyres with guards, 55mm without, no discs however but braking is immense with the Mini vs. It has front rack mounts too though you can attach a low rider rack to carbon forks anyway that don't have low rider mounts.
IF I had to have/choose one bike, this would be it out of all the bikes I have, even over the Sirrus Pro Ltd (just).
Edit, these came out recently, the new design Triban, £750 with 105 STIs, rack mounts front and rear https://www.decathlon.co.uk/triban-rc-5 ... 54421.html
there's a review on road CC https://road.cc/content/review/252475-t ... -road-bike