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velocifer: 170mm crank length, "D" stands for droite, means right in French
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velocifer: "LV" for Laurent Vérot, 47 teeth, 2 for? ...
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velocifer: "170" stands for the crank length and "LV" for Laurent Vérot
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velocifer: Typical design of Vérot's chainrings
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velocifer: "G" stands for gauche which means left in French
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velocifer: Stronglight model 1938