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  1. #1
    RoadBikeReview Member
    Join Date
    Nov 2006

    circa 2000 Zipp 404 rim ERD

    Anyone know the ERD of the rims used on a 2000 Zipp 404? I think thats the right year. They are not dimpled and the depth appears to be 58mm. The brake track width is 20.4mm and the toroidal diameter is ~22mm. They are clydesdale tubular wheels if that makes any difference.

  2. #2
    Reputation: ergott's Avatar
    Join Date
    Feb 2006
    Pretty sure I used 530mm for that rim. Measuring the rim's ERD first is always best.

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