橢圓盤討論 - 單車

By Ingrid
at 2011-03-02T22:15
at 2011-03-02T22:15
Table of Contents
大部分的人都知道15年前Shimano曾經發表過Biopace這個橢圓盤
不過可能不太多人知道,Biopace的曲柄是"平行"橢圓長軸
也就是說水平位置踩踏齒比最輕,上下死點齒比較重...
這種設計與現在Rotor、Ridea完全相反!!!如果你對這個議題有興趣
完整圖文版請看以下連結,歡迎討論!
http://rfbikes.blogspot.com/2011/03/blog-post.html
--
不過可能不太多人知道,Biopace的曲柄是"平行"橢圓長軸
也就是說水平位置踩踏齒比最輕,上下死點齒比較重...
這種設計與現在Rotor、Ridea完全相反!!!如果你對這個議題有興趣
完整圖文版請看以下連結,歡迎討論!
http://rfbikes.blogspot.com/2011/03/blog-post.html
--
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單車
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