Thread: Bike frame that is wrong
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Old 09-05-17 | 06:25 AM
  #15  
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cyccommute
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Originally Posted by _ForceD_
In both cases (the pictures above) I don't get it. Why not just make a straight top tube? Is that a gimmick? It just looks overdone.

Dan
In the case of the Autobike, the frame is made that way so that they can fit the maximum number of height ranges to a minimum number of frame sizes.

The Cannondale, on the other hand, has the shock in the headset and needs a certain length to contain the internal parts of the shock. For smaller frames, they couldn't just run a straight tube and still have a bike that anyone under about 6' can stand over. Cannondale's Headshock is a somewhat good idea...having only one slider moving makes for a stiffer fork...but it has severe limitations in application.
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