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  1. #1
    RoadBikeReview Member
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    Dec 2006
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    8

    ERD for a Weinmann rm19?

    I've been looking all over the net and cannot find the erd for a 27" weinmann rm19. Anyone know the answer to that? Why is this not listed on weinmann's website

  2. #2
    Chili hed & old bike fixr
    Reputation: curlybike's Avatar
    Join Date
    Jan 2002
    Posts
    1,277
    There may be another model # designation, I looked in my wheel software database that goes way back, nothing by that #. I also looked in the Sutherlands manual that goes way way back, it came out in 96. That model was not listed. Do you have a tape measure and a ruler? Measure the OD of the rim in several places to the closest MM and average the measurements. Then put a straight edge of the ruler across the rim and measure down to the nipple seat surface. Subtract 2x that measurement from the OD add 2 mm back to that . That is very close to the ERDand will give you 1mm of spoke up into the big part of the nipple and it will come close to the bottom of the slot of the nipple.
    This method has worked for me many times.

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