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32 or 30 tooth chainrings for Ultegra?

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  • August 31, 2010 at 7:07 pm #12643
    road

    Just a thought as I could do with a lower gear or two for Rourke’s Ride in October. Rather than buy a cassette with a 28 tooth sprocket I was wondering if I could get a smaller chain ring. Currently 34 on my Ultegra (110mm BCD). Is there anyone doing a 32 or 30 even? Or would they be too small for the ring bolt diameter. I have had a search but nothing smaller than 33 that I can find. I think I’m out of luck!

    Ta :”(

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  • September 6, 2010 at 12:12 pm #637187
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    dave atkinson

    Candy Cranks do a 32T in
    Candy Cranks do a 32T in 110bcd, or so they claim:

    http://candycranks.bigcartel.com/product/mandala-dual-bcd-chainring

    never seen them in the UK though

    September 2, 2010 at 9:30 pm #637185
    0
    Fringe

    best bet is to fit a larger
    best bet is to fit a larger cassette, and long cage rear mech, oh and you’ll prob need a new chain… mmm. gets exspensive dun’it đŸ˜•

    September 2, 2010 at 5:32 pm #637183
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    Anonymous

    Cheers Cat 1 – I had come to
    Cheers Cat 1 – I had come to the conclusion that this was probably the case. *ugger!

    September 2, 2010 at 1:56 pm #637181
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    cat1commuter

    Sorry, 33 is the smallest
    Sorry, 33 is the smallest number of teeth which will fit on a 110 BCD crank. Smaller than that and the chain starts touching the chainring bolts. (Likewise 38 teeth is the smallest chainring which will fit on 130 BCD cranks.)

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