Thread: Looking for some advice on my drivetrain.
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Old 03-19-11, 10:35 AM
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availpunk9
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Campy cranks are 135bcd; there's no way anything smaller than 39 will fit on there. Even on 130bcd, the smallest readily available ring is a 38; there's also a 37 in the works. To get rings smaller than that, one needs a compact crank, 110bcd.
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