Shimsham 105 double -> triple?

Discussion in 'Cycling Equipment' started by ant evans, Jan 26, 2003.

  1. ant evans

    ant evans New Member

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    Dura Ace double and triple cranks are supposed to be identical, presumably just with extra bits on the middle chainring of a triple to attach the little one to.

    Make sense?

    So can you do the same for 105, which is geometrically identical?

    I hate to spoil the clean lines of my yearling thoroughbred etc etc but I have knee trouble, which you can read about elsewhere.

    I also don't like Shimano's rear ratios (they have 2-tooth gaps exactly where you spend most time in the real world (5th and 6th)) so I need to go to closer ratios. That also sounds like another thread.

    ant
     
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  2. maarten

    maarten New Member

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    You can buy separate cogs miche has every cog you might want with shimano passing between 11 and 26(and even some bigger)

    you can make a 14-16-18-19-20-21-22-23-24(9-speed) casette if you want to.
     
  3. ant evans

    ant evans New Member

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    <rant>
    I've just got a 13-23, just to get a 16t cog (the others were a bit worn out anyway), and Shimano seem hell-bent on making it impossible to mix and match sprockets. They rivet the damned things together in arbitrary sets of 2 or 3. What the hell is wrong with them?

    I can't combine the 13-23 and the 12-27 to make a 12-27 with a 15 and 15 on 5th and 6th. Thank you so much, Shimano, you
    morons.

    If they were doing this to make a stiffer structure, then they wouldn't have given me a single 23 sprocket for 1st gear.

    An 11 speed cassette is not going to solve this if they keep sticking the damn sprockets together. It will just mean a more expensive form of frustration.

    I shall be speaking to Highpath Engineering or even Signore Campagnolo before long.
    </rant>
     
  4. rv

    rv New Member

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    sorry...can't make a double crankset into a triple.

    if you go to a triple, you'll need a bb with a longer axel and a triple front derailluer.
     
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