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Which integrated headset bearing spec

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Which integrated headset bearing spec

Old 09-10-12, 01:03 PM
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Which integrated headset bearing spec

I want to replace the integrated headset bearings in a 20010 Xtreme DCS cross frame that I bought used. How do I determine what the bearing specification is? They are angular, but I don't know if they machined for Campagnolo or for Integrated System (IS).

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Old 09-10-12, 04:39 PM
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Ah, the joy of non-standards....

I think the thing to do is to grab a caliper and measure the interior diameter of your head tube, then look it up in the chart at the bottom of the Park Tool page. Some degree of accuracy in the measurement seems to be in order, so if in doubt this might be a time to visit the LBS.
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