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  • Here's a bit more progress and designing-out-loud.

    I have asked @Tijmen to make some bags for this, as I am very happy indeed with the ones on my gravel bike.

    I am really intrigued by the mini rack-bag setup used by Tomii cycles on their Canvas / Fat Canvas bikes. However this is likely a step too far for my upcoming course, as I won't have time to pursue making a rack as well as the frame and forks. I plan to add some eyelets so that I could go down that route in the future.

    In the meantime this led me to some thinking about which bags are actually most useful, and my conclusion is a combination of the classic half-frame bag and top tube feed bag. I've mocked up a render of these.

    Also shown is my plan for a stainless cable rub bar on the headtube. Also, internal rear brake routing is on the wishlist but may or may not be practicable.

  • Same length on my Varonha, fits 38s and guards comfortably.

  • pretty short stays

    Probably a little bit optimistic. However I am considering scaling back the clearance requirements to 700c x 35 + 45mm guards; 700c x 42mm without guards. The final rear triangle fit will be based on a 1:1 physical model over a plan drawing. We have Zona and Life pre-bent stays to try, and the dimensions will be what they will be to make it all fit together. If that means an extra 5 or 10mm length compared to the drawing, so be it! That said, my gravel bike fits 650b x 57mm tyres with a 415mm chainstay, but that required some substantial custom-forming.

    Edit: or maybe it's all good as drawn, thanks @jontea !

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