and it was bloody awesome 😀 like this one (but with dura ace/american classic wheels/easton carbon bar stem) [img] 
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actually rode my bike for the first time in god knows how long to my fav bike shop (hadn't been there for 4 months).
was talking about road bikes (and how i cannot afford one e.t.c 😆 when the manager mentioned he had the new dura ace electric groupset
fitted to his new s works roubaix,he asked if i'd like a quick spin on it.no that's alright i said (sod that yes was the answer 😉
just had a quick pootle on it down a side road by the shop.man the electric shifting is fantastic (i didn't understand the point of it up till now).also was gobsmacked by the dura ace brakes too 😯 they felt better than my avid 3 on my duster 😯
the whole bike was lovely to ride and i can now totally understand why they cost so much (it felt a whole other world to my tarmac sport i used to have).
the one big downside is i had to give it back 🙁 no way in hell i could ever afford one atm.
am now seriously thinking of starting the lottery every week 🙂
Still don't understand the point of Di2. Yes, for winter training (sometimes my hands are so cold I can't change gear), but I'm not going to put it on my winter bike.
Wait till you try DA9000 😉 . Nice bikes are just that, nice. Electric shifting is another flavour of nice, but I like the simplicity of well set up cable shifting.
FWIW, I rode a TCR Advanced SL with Di2 and hated the shifting. The frame, however, was a masterpiece and prompted my to buy the Defy SL.
Does work like a dream.Super smooth.
Just had da 9070 fitted to my madone 5 series. Only done a few miles on it as yet cos of work but by golly I've enjoyed every single mile!
May consider rentals to offset the cost!