Thread: Worst eBay frame packaging ever....
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Old 05-06-09 | 02:40 PM
  #69  
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miamijim
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Originally Posted by cbr2702
Those rings don't look elliptical to me.
There're 2 versions of Biopace. The original and Biopace II. Biopace II is more suited for high cadences as the out of roundness isnt as extreme as the original version.

Barchettas bike probably has Biopace II rings.
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