Cycling Equipment · Public discussion

DA max cog

Started by Jim Flom · · Last activity · 4 posts · 678 views

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Cycling Equipment
Published
22 July 2003
Last activity
22 July 2003
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Jim Flom
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  1. What is the maximum number of toothed cog a 2002 Dura Ace rear der can handle? Thnaks.

  2. (Jim Flom) said:

    What is the maximum number of toothed cog a 2002 Dura Ace rear der can handle?

    27 (though you can probably get away with a couple more than that).

    Mark Hickey Habanero Cycles habcycles.comhabcycles.com Home of the $695 ti frame

  3. Jim Flom said:

    What is the maximum number of toothed cog a 2002 Dura Ace rear der can handle? Thnaks.

    Partly depends on how big a jump you've got in front. With typical doubles, 30 works fine, but I'd
    consider that probably about the max.

    Before I converted my Hetchins to Campagnolo, I was running one of those with a 12-28, but with a 22
    tooth jump in front (50-28) and that seemed to be maxed out.

    I didn't switch because of any shifting deficiency, but because I prefer the ergonomics of Ergos.

    Sheldon "Shimagnolo" Brown +-----------------------------------------------------------------+
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    Massachusetts Phone 617-244-9772 FAX 617-244-1041 harriscyclery.comharriscyclery.com Hard-to-find parts
    shipped Worldwide captainbike.comcaptainbike.com sheldonbrown.comsheldonbrown.com

  4. "Jim Flom" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    What is the maximum number of toothed cog a 2002 Dura Ace rear der can


    handle?

    Quoted message said:

    Thnaks.

    With the proper adjustments on B-tension and chain length a 32 will work. I think the pro's use
    32 for the 20+ % grades af e.g. the Vuelta Every summer I ride in the French Alps with a 53/38 &
    11/32 Dura Ace combo - no problems except for the chain will be way too short for 53/32 (and
    53/28 as well).

    Wbr, Anders

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