Thread: Anyone still using BioPace chainrings?
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Old 05-21-16 | 07:43 PM
  #19  
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The Golden Boy
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Bikes: 1978 Trek TX700; 1978/79 Trek 736; 1984 Specialized Stumpjumper Sport; 1984 Schwinn Voyageur SP; 1985 Trek 620; 1985 Trek 720; 1986 Trek 400 Elance; 1987 Schwinn High Sierra; 1990 Miyata 1000LT

Originally Posted by texaspandj
I have biopace on 4 of my 5 Ironman. As a 86 bicycle guide review stated, at best it helped slightly, at worst you don't notice.
I tend to agree.
I agree with you, I have one bike with a round big ring and Biopace middle and small. I don't notice the middle ring, but I do notice the granny- it's much more pronounced.

However, there are people that swear Biopace ruins knees.
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