Originally Posted by
The_Joe
I just used the Park tool method to measure my ERD. 2 spokes of a known length and calipers to measure the gap. It brought me to 603mm which unfortunately is much larger than the 598mm ERD Ambrosio cites on the their website. I guess I'm buying longer spokes.
Thanks to all for your advice and assistance.
That's interesting because I had the same experience using the Park Tool method vs. the label on the rim itself (Sun Rhynolite XL). I ordered spokes based on the larger number from my Park method measurements... we'll see.