Thread: braze-on front der w/ compact crank?
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Old 01-27-12, 10:02 AM
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ldmataya 
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Whoops, I used the wrong tooth count. Diameter of 48t ring is approx 195mm (D = 12.75 * T / pi). So difference between 53 and 48 is 20mm diameter or 10mm radius. One centimeter to adjust.
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