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2019 S3 vs S5

Last post 06-24-2019 5:41 AM by yep. 4 replies.
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  • 05-12-2019 12:17 PM

    • Zach
    • Top 500 Contributor
    • Joined on 12-07-2007
    • Posts 46

    2019 S3 vs S5

    I am looking for an aero comparison between Cervelo S3 and S5 (2019). I have not been able to find it/google it.
  • 05-13-2019 11:55 PM In reply to

    Re: 2019 S3 vs S5

    The biggest difference are the fit & brake options .. the S5 has less drag because of the stem & handlebar .. the same clothes pulled proper wrinkle free all time the rear wheel cut out differences should be compensated on the S3 .. oSo >>
    ___/\___/\___/\___ the surfboard of the Kurpfalz is the road bike .. oSo >> Older, and faster, on my S5 ..
  • 05-14-2019 5:37 PM In reply to

    • Zach
    • Top 500 Contributor
    • Joined on 12-07-2007
    • Posts 46

    Re: 2019 S3 vs S5

    Ok. But that was not really an answer to my question. I do not believe that Cervelo do not know exactly the aero difference between their models. They have all been in the windtunnel. Why is it that these numbers are not public?
  • 05-14-2019 11:00 PM In reply to

    Re: 2019 S3 vs S5

    The S5 2019 is at 40km/h about 4 to 5 Watts faster than the S5 2015, wich was 4 to 5 Watts faster than the S3 2014 .. the new V-Stem with Handlebar is 4 to 5 Watts faster than the previous hammer shark aero bar reducing the low pressure zone behind the rider .. the other improvements at the fork, down tube and seat tube compensate the disc brake that cost about 3 - 4 Watts .. to make the calculations the history of the bikes and their evolution is to summarize .. the older infos are already deleted in the interweb .. the Cervélo engineers develop shapes and stay with physics .. oSo >> p.s. an opened jersey zip at race speed costs up to 4 Watts ..

    disclaimer: make always shure the wind comes straight ahead >> improving fit for aero turns on a vacuum cleaner from the front <<
    ___/\___/\___/\___ the surfboard of the Kurpfalz is the road bike .. oSo >> Older, and faster, on my S5 ..
  • 06-24-2019 5:41 AM In reply to

    • yep
    • Not Ranked
    • Joined on 10-07-2007
    • Posts 7

    Re: 2019 S3 vs S5

    The S5 tech paper talks about a 4.5w gain over the previous version S5, but I don't think it has any comparison to the current S3. https://www.cervelo.com/media/gene-cms/s/5/s5_tech_paper_1.pdf
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