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Not your imagination mate although I'm not sure if you can do it with Biopace. Isn't the thought that the actual oval chain ring theory is sound but Shimano just put it in the wrong place? You can buy oval chain rings again now but they are aligned in the correct way.
Not your imagination mate although I'm not sure if you can do it with Biopace. Isn't the thought that the actual oval chain ring theory is sound but Shimano just put it in the wrong place? You can buy oval chain rings again now but they are aligned in the correct way.