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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 04-30-12, 10:30 AM   #1
cbh1974
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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!



Clark
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Old 04-30-12, 11:03 AM   #2
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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
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Old 04-30-12, 11:12 AM   #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!

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