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Measuring Effective Rim Diameter

745 Views 3 Replies 3 Participants Last post by  urmb
Anyone know of a method for accurately measuring the ERD of a rim without having to buy a special tool or device. I usually use the DT spoke calculator for spoke length determination; I want to double check the DT spoke calculator number.

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Sheldon also put up a page on how to do it here.
AND there are instructions in the DT Swiss spoke calcualtor's 'Help' tab.
Mike T. said:
Roger Musson's Wheelpro Spoke Calculator and e-book show you how.
Added it to my library. Thanks

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