How many outer links???

sprintkid
sprintkid Posts: 315
edited March 2010 in Workshop
Can someone tell me how many links are in a chain for a ten speed shimano set up with 52 front and 23 rear and 39 front and 12 rear I got a kmc 10 speed chain when I've got the bike on the small ring on the fronat and the smallest ring on the cassette the chain is so slack it lays on the rear stay and droops down below. I want to know how many links to take out????? Help please :cry:
sprintkid

Comments

  • hopper1
    hopper1 Posts: 4,389
    A. You ain't supposed to ride it like that! Change to the bigger (52) front ring, then find a suitable sproket at the rear.
    B. Follow this link
    Sheldon Brown is your friend.
    About half way down that page, you'll see a bit about chain length. Follow those instructions, you wont go far wrong. :wink:
    Start with a budget, finish with a mortgage!
  • sungod
    sungod Posts: 17,554
    which rear mech? you should check the manufacturer's instructions for correct chain length

    generally you set chain length so that the axles of the two jockey wheels are vertically in line when the chain is on the biggest chainring and smallest sprocket
    my bike - faster than god's and twice as shiny
  • sprintkid
    sprintkid Posts: 315
    its an ultegra 6600 rear mech on a ultegra 6600 ultegra 10 speed rear cassette with ultegra 6600 chainset.
    sprintkid
  • sungod
    sungod Posts: 17,554
    setup instructions for 6600...

    http://techdocs.shimano.com/media/techd ... 616226.pdf
    my bike - faster than god's and twice as shiny
  • desweller
    desweller Posts: 5,175
    Chain length will also depend on chainstay length.
    - - - - - - - - - -
    On Strava.{/url}
  • Ian.B
    Ian.B Posts: 732
    Park Tools also have a guide. There seem to be a whole range of different ways of calculating this.

    http://www.parktool.com/repair/readhowto.asp?id=26

    I particularly like the idea of doing it this way
    Chain length = 1 + 0.25 * (F + R) + 2 * √[C2 + {0.0796 * (F – R)}2]
    :?

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