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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 04-11-11, 03:32 PM   #1
tbrtbx
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larger than 151bcd?

hiya

got a 55T Campagnolo ring here

measured the BCD and to my surprise its over 151. looks to be about 160BCD. c-t-c is about 94mm.

anyone help? sheldon doesn't go over 151
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Old 04-11-11, 03:35 PM   #2
Squirrelli
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What model is it?
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Old 04-11-11, 03:45 PM   #3
tbrtbx
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looks like

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File Type: jpg !B70PrnQ!mk~$(KGrHqUOKjUEzF0y01tMBM1(P5B-m!~~0_12.JPG (19.8 KB, 5 views)
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Old 04-11-11, 03:50 PM   #4
carleton
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You should ask in Classic and Vintage: http://www.bikeforums.net/forumdispl...ic-amp-Vintage
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Old 04-11-11, 04:12 PM   #5
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ty bro will do
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Old 04-11-11, 05:59 PM   #6
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pcd

are you sure that you are measuring and multiplying correctly?


http://sheldonbrown.com/gloss_bo-z.html#bcd
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