Syncros FR DS 32 ERD?

Pr][nCe
Pr][nCe Posts: 626
edited March 2010 in MTB workshop & tech
Just got my new rims back for my FR set of wheels.
i have Hope pro 2 hubs.
I went for the New Syncros FR DS 32 Black Grunge.
looking at the ERD on Syncros site and it says 537mm
so i checked myself using this site as a refrence.
http://www.wheelpro.co.uk/spokecalc/

You need to measure the Effective Rim Diameter (ERD). I recommend that you always measure it yourself and not trust ERD measurements taken from other sources - even rim manufacturers.

Take two spokes cut down to 200mm. Glue on a nipple so that the top of the spoke is flush with the bottom of the slot in the nipple.

Place in opposite holes in the rim and hold taut. Measure between the ends and add 400mm. Average several diameters.

Did this and came up with 527mm 10mm dif Com'On, should i use the website mesurment method or just go with what syncros say???
Santacruz Heckler - 2010
http://s152.photobucket.com/albums/s195 ... =slideshow
Santacruz Chameleon - 2005
Cannondale F400 - 2003

Comments

  • nicklouse
    nicklouse Posts: 50,673
    i would double check that you are measuring your spokes correctly. IE the 200mm spoke is flush with the slot (DT nipple) and then measure again.

    then a question how tall is the rim?

    rmha-frd-eye-bp.jpg

    as this 25mm tall rim has a 527mm ERD as does the syncros AM 28 if your rim is not as tall then i would be asking for a second opinion.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • Pr][nCe
    Pr][nCe Posts: 626
    the rim is 25mm tall, and checked in various holes, using a DT nipples and 2 cut down spokes to 200mm and inserted into nipples to the bottom of the slot. as said? so should i go with my measurments or syncros?
    Santacruz Heckler - 2010
    http://s152.photobucket.com/albums/s195 ... =slideshow
    Santacruz Chameleon - 2005
    Cannondale F400 - 2003