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  1. #1
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    My Project and a Question

    Hello! Brand new forum member here. I started a project recently to convert my 90's Fuji ATB to a single speed. I have found a tremendous amount of info on the Internet but one sticking point is my crank chainring. I have a spider that looks too small to bolt up most of the chainrings available. I have attached a photo of the bike and a close up of the crank. Would I be better off replacing the whole crankset? If I do, will I need a different BB? I would appreciate any help I can get. Thanks in advance!

    IMG_0544_sm.jpgIMG_0545_sm.jpg

    Clark

  2. #2
    Senior Member Spoonrobot's Avatar
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    You'll be fine with that crankset.

    Figure out what the bolt circle diameter is by looking at the link and then order the appropriate sized chainring. You will probably be stuck with 3/32, but I don't think that will be a problem.

    http://www.sheldonbrown.com/cribsheet-bcd.html

  3. #3
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    It is hard for me to figure out which BCD mine is. I guess I will have to measure it and try to convert to mm to get a close guess. Thanks for the reply!

    Clark

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