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Dura-ace crank/chain rings 7701 and 7700(1 post)

Dura-ace crank/chain rings 7701 and 7700kai-ming
Oct 7, 2002 9:49 PM
I am going to get a Dura-ace group. Anyone know the difference between 7701 and 7700, and what should I check with regard of years of product, i.e. 2000,01,02,03,etc..