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Front Derailleur 31.8???(2 posts)

Front Derailleur 31.8???Canidraftyou
Jun 13, 2002 5:01 PM
Hey ya'll. I have a Cannondale R1000 Si and im lacking front and rear Derailleurs in having my bike Full Dura Ace. I Got in touch with a Cannondale Rep. and asked if the Front Derailleur was a 1 1/8 or a 1 1/4 (Clap). He responded 31.8......lol, im sorry ya'll, im just a country boy. What the hell is 31.8 in ref. to the two other sizes that I have spoke on? Help me out here in understanding what size ill need so that I can finish my upgrading. I know that 31.8 is metric, but is that a 1 1/8 or 1 1/4?

Thanks,

Peace.
31.8/25.4 = 1-1/4" (nm)C-40
Jun 13, 2002 5:27 PM