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  1. ak-tux

    MBB on a diet (9 kilograms)

    Great work Marco! I believe the bottom bracket is deliberately low for better blood flow to the legs and better orientation for pushing when climbing?
  2. ak-tux

    Look out here come the Chinese

    In my humble opinion, I don't think a limited custom built copy for an individual is an infringement. It is the large batch production for sale using exact copies of the design that may be challenged. In that case you should design your own and check for any patent infringement. That is for...
  3. ak-tux

    Why is the adjustable front boom curved on the S40 and V20?

    I think the curve also reduces that problem. I remember John Tolhurst talked something about fit for a wider range of people.
  4. ak-tux

    Look out here come the Chinese

    I think MBB FWD recumbents design are not an exclusive copyright to cruzbike. I believe anyone can manufacturer an MBB FWD recumbent. However, to the best of my knowledge, the telescoping boom design for an adjustable front triangle is a copyright and patent of Cruzbike Inc. I also believe...
  5. ak-tux

    Look out here come the Chinese

    I think that Titanium bike looks good. My only concern is that I think the head tube looks short. But if it is long enough to form a good welded joint with the main down tube then it's acceptable. I wonder how much it weighs? If the complete bike is anywhere near 10Kg or less then it's worth...
  6. ak-tux

    MBB on a diet (9 kilograms)

    Your videos are always very well presented Marco! Nice agile bikes those ReVs!
  7. ak-tux

    Why is the adjustable front boom curved on the S40 and V20?

    In short it was to allow the front derailleur to adjust independently of the boom length changes. And now the the long version: The first version of the Silvio version 1.0 or the predecessor of the S40 and the vendetta had the boom straight and front derailleur attached directly to the boom...
  8. ak-tux

    Smaller chainrings for S40

    Would you consider a triple? 50/39/30 like Shimano-Tiagra-4703-10-Speed-30-39-50t-165mm-Crankset works with Hollowtech II Bottom Bracket. https://www.ebay.com/itm/NEW-Shimano-Tiagra-4703-10-Speed-30-39-50t-165mm-Crankset/191904181708?epid=1046122428&hash=item2cae616dcc:g:I4YAAOSwGPxaAeu8
  9. ak-tux

    first S40 ride today

    Nice! Any pictures?
  10. ak-tux

    S40- Wow!

    If the image is too large to upload here link to your photo bucket or other public photos site you may have.
  11. ak-tux

    My Experience Learning to Ride

    Congratulations! Please share a photo or two. P.S. If the image is too large to upload here link to your photo bucket or other public photos site you may have.
  12. ak-tux

    MBB on a diet (9 kilograms)

    Impressive Marco! If you get the chance kindly do a video showing how you build that carbon seat! Id like to try it someday!
  13. ak-tux

    MBB on a diet (9 kilograms)

    That's the work or Marco Ruga: https://biciclettereclinate.blogspot.it Infact, his latest build is 8.5Kg!!
  14. 700cx700c-27nov2017

    700cx700c-27nov2017

    The rear wheel is my first self built 700c wheel!
  15. Aero-helmet-700c-201710

    Aero-helmet-700c-201710

  16. ak-tux

    S40- Wow!

    Great idea. For me I can easily reach my rear bottle if it is positioned really low, just behind my lower back (lumbar) or directly behind my head/neck rest. Anywhere in between was difficult . However, I had not tried leaning forward a little. I will try that next time.
  17. ak-tux

    S40- Wow!

    Wow! looks very symetrical! Very well balanced! Love it! However, I doubt you can reach the rear water bottle while riding, can you?
  18. ak-tux

    S40- Wow!

    It would be nice to see a full picture of the bike after all the changes!
  19. ak-tux

    Titanium Bike frame for $250 AU

    The welds are amazing!
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