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PostPosted: Thu Mar 14, 2013 5:48 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8211
Location: New Forest, UK
Old Ned wrote:
To answer your first question, a 'mixte' is a frame with the twin 'top' tubes running from the head to the rear dropouts. Generally ridden by ladies as an alternative to the 'normal' ladies style frame. I think that for more 'serious' riding this design is a bit more rigid but still allows for stepover. They were built by even the most respected frame builders if required.


It's actually less rigid. A single fat (but thin-walled) tube is a better use of material. That is why bikes have big fat tubes and not pylon-like wire spaceframes. However, the mixte 'twin lat' tubes look graceful. The main force on a bike (beyond rider weight) is the twisting between steerer tube and seat tube caused by pedalling. Tony Oliver's book covers it in great detail.


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PostPosted: Thu Mar 14, 2013 7:44 pm 
Old School Grand Master
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Joined: Sat Oct 06, 2012 5:17 pm
Posts: 3775
Location: Norn Iron
Thanks for the info, the bike might look graceful until someone gets on it!!!!

Richard


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