I bought this barely ridden S5 a few months ago. It was a stock Ultegra Di2 build that came in at a hefty 7.95kg.
First thing to go was the 50mm Reserve wheels and replaced with 45mm wheels that my friend builds in the UK. DT240 hubs and weigh 1280g.
I fitted a Dura Ace Crank and the new 12sp Dura Ace calipers and a Dura Ace cassette. I also swapped out the Ultegra discs for 160f 140r 12sp Dura Ace/XTR discs. I have some super lightweight aluminium bolts to replace the heavy stem bolts but they may be too soft, I'm looking for Ti&
Even with my heavy Spez Mirror saddle it now weighs 7.2kg
2021 Cervelo S5
Moderators: MrCurrieinahurry, maxim809, Moderator Team
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