Originally Posted by
Jay-W
I stripped 105 5800 off my bike and weighed the whole lot. Almost 3kg...it's a porker.
Including what? 53/39 crank, 11-32 cassette, cables and housings? Every verified weight I have seen has been around 2500g for the complete groupset with 50/34 and 11-25. Where are your extra 500 g coming from?